Siemens AG
Siemens AGActive Patents
0
Total Holdings
596
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| WO1998000889A1 | Plug connector with screen | Expired / Lapsed | 1997-07-01 | — | 0 | Details |
| EP0755122A2 | Method and device for fixing an adaptive interrupt criterio… | Expired / Lapsed | 1996-07-12 | — | 0 | Details |
| EP0732594A1 | Micromechanical semiconductor device | Expired / Lapsed | 1996-03-07 | — | 0 | Details |
| EP0679878A2 | Microsystem with integrated circuit and micromechanical com… | Expired / Lapsed | 1995-04-24 | — | 0 | Details |
| EP0679042A2 | Improvements in or relating to mobile communication ATM net… | Expired / Lapsed | 1995-04-21 | — | 7 | Details |
| WO1991016102A1 | Tissue stimulating device | Expired / Lapsed | 1991-04-23 | — | 0 | Details |
| EP0487776A1 | Method and apparatus for determining a parameter during the… | Expired / Lapsed | 1990-11-29 | — | 0 | Details |
| DE4009819A1 | HF SURGERY DEVICE | Expired / Lapsed | 1990-03-27 | — | 0 | Details |
| DE3834709A1 | Image recording device | Expired / Lapsed | 1988-10-07 | — | 0 | Details |
| EP0292897A2 | Evaluation method of the travel time measured in vehicles b… | Expired / Lapsed | 1988-05-20 | — | 0 | Details |
| EP0289905A1 | Suction electrode | Expired / Lapsed | 1988-04-25 | — | 0 | Details |
| EP0280972A1 | Hand piece for a liquid-jet cutting apparatus | Expired / Lapsed | 1988-02-19 | — | 0 | Details |
| EP0277489A2 | Lithotripsy operation site | Expired / Lapsed | 1988-01-11 | — | 0 | Details |
| DE3708997A1 | LEVEL MONITORING DEVICE | Expired / Lapsed | 1987-03-19 | — | 0 | Details |
| EP0256202A2 | Coupling body for a shockwave-therapeutic apparatus | Expired / Lapsed | 1987-02-10 | — | 0 | Details |
| EP0232749A2 | Method of integrated serial wiring of thin film solar cells | Expired / Lapsed | 1987-01-19 | — | 0 | Details |
| EP0199266A1 | Mobile radio system | Expired / Lapsed | 1986-04-15 | — | 0 | Details |
| DE8523024U1 | Ultrasonic generator | Expired / Lapsed | 1985-08-09 | — | 0 | Details |
| GB2229882A | A system for recognising and identifying target objects. | Expired / Lapsed | 1985-07-08 | — | 14 | Details |
| EP0157936A1 | Moulding and coating compositions | Expired / Lapsed | 1984-12-17 | — | 0 | Details |
| EP0147737A2 | Ultrasonic tomography apparatus | Expired / Lapsed | 1984-12-13 | — | 0 | Details |
| EP0134701A2 | Offset gradient fields in nuclear magnetic resonance imagin… | Expired / Lapsed | 1984-08-03 | — | 23 | Details |
| EP0133946A2 | Apparatus for the contactless disintegration of concrements | Expired / Lapsed | 1984-07-20 | — | 0 | Details |
| DE3419906A1 | Arrangement for signal generation | Expired / Lapsed | 1984-05-28 | — | 0 | Details |
| DE3407469A1 | METHOD FOR SECURING THE CODE OF AN ELECTRONIC KEY | Expired / Lapsed | 1984-02-29 | — | 0 | Details |
| DE3407436A1 | METHOD FOR SECURING THE CODE OF AN ELECTRONIC KEY | Expired / Lapsed | 1984-02-29 | — | 0 | Details |
| EP0111249A2 | Method and device for disinfecting water ducts in dental ap… | Expired / Lapsed | 1983-11-30 | — | 0 | Details |
| DE3336277A1 | Self-tapping thread element | Expired / Lapsed | 1983-10-05 | — | 0 | Details |
| DE3336092A1 | METHOD FOR DETECTING HAZARDOUS POINTS IN A GUIDE AND INFORM… | Expired / Lapsed | 1983-10-04 | — | 0 | Details |
| DE3335128A1 | MOBILE RADIO NETWORK | Expired / Lapsed | 1983-09-28 | — | 0 | Details |
| DE3328039A1 | Crushing device for concrements in the body of a living bei… | Expired / Lapsed | 1983-08-03 | — | 0 | Details |
| DE3328068A1 | DEVICE FOR CONTACTLESS CRUSHING OF CONCRETE | Expired / Lapsed | 1983-08-03 | — | 0 | Details |
| DE3320721A1 | METHOD FOR SECURING THE CODE OF AN ELECTRONIC KEY | Expired / Lapsed | 1983-06-08 | — | 0 | Details |
| EP0103067A2 | Cooling device for a plurality of integrated components ass… | Expired / Lapsed | 1983-05-17 | — | 0 | Details |
| DE3314031A1 | DEVICE FOR DETECTING PRESSURES | Expired / Lapsed | 1983-04-18 | — | 0 | Details |
| EP0092080A1 | Ultrasonic endoscope | Expired / Lapsed | 1983-03-30 | — | 0 | Details |
| DE3247574A1 | METHOD FOR PRODUCING A SIGNAL GENERATION ARRANGEMENT | Expired / Lapsed | 1982-12-22 | — | 0 | Details |
| DE3247278A1 | Arrangement for signal production (generation) | Expired / Lapsed | 1982-12-21 | — | 0 | Details |
| EP0075890A2 | Arrangement to prevent damage of the components or conducto… | Expired / Lapsed | 1982-09-24 | — | 0 | Details |
| EP0077923A1 | Ultrasonic transducer to be introduced into a body | Expired / Lapsed | 1982-09-21 | — | 0 | Details |
| DE3234538A1 | METHOD FOR SECURING THE CODE OF AN ELECTRONIC KEY | Expired / Lapsed | 1982-09-17 | — | 0 | Details |
| EP0074022A1 | Apparatus for nuclear spin tomography | Expired / Lapsed | 1982-08-25 | — | 0 | Details |
| EP0075096A1 | Dental handpiece having illuminating means | Expired / Lapsed | 1982-08-09 | — | 0 | Details |
| DE3220930A1 | TWO-WAY COMMUNICATION SYSTEM BETWEEN AN IMPLANTABLE ELECTRI… | Expired / Lapsed | 1982-06-03 | — | 0 | Details |
| EP0067977A1 | Method and circuit arrangement for the distribution of keys… | Expired / Lapsed | 1982-05-27 | — | 0 | Details |
| DE3216664A1 | Method for producing a pyro-electric sensor | Expired / Lapsed | 1982-05-04 | — | 0 | Details |
| DE3211969A1 | Universal digital communications network for packet-switche… | Expired / Lapsed | 1982-03-31 | — | 0 | Details |
| EP0061772A1 | Electro-optical plug-connector module | Expired / Lapsed | 1982-03-30 | — | 0 | Details |
| DE3200965A1 | NEARBY RADIO CELL ORGANIZATION CHANNEL REFERENCE SYSTEM | Expired / Lapsed | 1982-01-14 | — | 0 | Details |
| DE3145207A1 | TELECOMMUNICATION SATELLITE SYSTEM WITH GEOSTATIONAL POSITI… | Expired / Lapsed | 1981-11-13 | — | 0 | Details |
| EP0049812A1 | Cardiac pacemaker | Expired / Lapsed | 1981-09-29 | — | 0 | Details |
| DE3138043A1 | Section monitoring device | Expired / Lapsed | 1981-09-24 | — | 0 | Details |
| EP0048861A1 | Universal digital mobile radio network for packet-switched … | Expired / Lapsed | 1981-09-10 | — | 0 | Details |
| DE3132995A1 | DENTAL HANDPIECE ARRANGEMENT | Expired / Lapsed | 1981-08-20 | — | 0 | Details |
| EP0047065A2 | Distributed phase RF coil | Expired / Lapsed | 1981-07-31 | — | 12 | Details |
| EP0046215A2 | Circuit for testing cells of an integrated semiconductor pr… | Expired / Lapsed | 1981-07-27 | — | 0 | Details |
| DE3127379A1 | Optical network for transmitting sensor data | Expired / Lapsed | 1981-07-10 | — | 0 | Details |
| DE3122056A1 | Device for crushing concrements present in the body of a li… | Expired / Lapsed | 1981-06-03 | — | 0 | Details |
| DE3119295A1 | DEVICE FOR DESTROYING CONCRETE IN BODIES | Expired / Lapsed | 1981-05-14 | — | 0 | Details |
| DE3117264A1 | Deposition and storage cassette for dental instruments | Expired / Lapsed | 1981-04-30 | — | 0 | Details |
| EP0037012A2 | Ultrasonic imaging device | Expired / Lapsed | 1981-03-18 | — | 0 | Details |
| EP0032227A1 | Antenna for earth receiving station | Expired / Lapsed | 1980-12-19 | — | 0 | Details |
| DE3036707A1 | UNIVERSAL MOBILE RADIO DIGITAL NETWORK FOR PACKAGE-SENT INF… | Expired / Lapsed | 1980-09-29 | — | 0 | Details |
| DE3036649A1 | TELEPHONE SWITCHING NETWORK FOR DIGITAL VOICE TRANSFER | Expired / Lapsed | 1980-09-29 | — | 0 | Details |
| EP0025214A2 | Device for puncturing internal body organs, vessels and oth… | Expired / Lapsed | 1980-09-03 | — | 0 | Details |
| EP0021060A1 | Guiding system for individual traffic | Expired / Lapsed | 1980-05-23 | — | 0 | Details |
| DE3013705A1 | Data gathering and processing coupling - through IR emittin… | Expired / Lapsed | 1980-04-10 | — | 0 | Details |
| EP0020866A1 | Portable apparatus for testing remote data processing syste… | Expired / Lapsed | 1980-03-18 | — | 0 | Details |
| DE2951537A1 | TEMPERATURE METHOD | Expired / Lapsed | 1979-12-20 | — | 0 | Details |
| DE2949991A1 | Ultrasonic scanner with enhanced depth resolution focussing… | Expired / Lapsed | 1979-12-12 | — | 0 | Details |
| EP0012873A1 | Dental handpiece assembly | Expired / Lapsed | 1979-11-29 | — | 0 | Details |
| DE2942405A1 | Body-internal organ puncturing appts. - has ultrasonic appl… | Expired / Lapsed | 1979-10-19 | — | 0 | Details |
| DE2941331A1 | AUTHENTIC NAVIGATION DEVICE FOR ROAD VEHICLES | Expired / Lapsed | 1979-10-11 | — | 0 | Details |
| EP0010611A1 | Identity card | Expired / Lapsed | 1979-09-24 | — | 0 | Details |
| EP0009727A1 | Implantable carbon electrode | Expired / Lapsed | 1979-09-20 | — | 0 | Details |
| DE2936465A1 | Imaging control for nuclear magnetic resonance scanner - ha… | Expired / Lapsed | 1979-09-10 | — | 0 | Details |
| DE2936062A1 | GUIDANCE SYSTEM FOR INDIVIDUAL TRAFFIC | Expired / Lapsed | 1979-09-06 | — | 0 | Details |
| EP0006623A2 | Ultrasonic transducer | Expired / Lapsed | 1979-06-28 | — | 0 | Details |
| DE2921856A1 | Broad-band directional dipole aerial - has diverging elemen… | Expired / Lapsed | 1979-05-30 | — | 0 | Details |
| EP0004321A1 | Method for magneto-optical current measuring | Expired / Lapsed | 1979-03-08 | — | 0 | Details |
| EP0004010A1 | System for transmitting single television pictures | Expired / Lapsed | 1979-02-23 | — | 0 | Details |
| EP0002469A1 | Vehicle identification device | Expired / Lapsed | 1978-12-01 | — | 0 | Details |
| DE7808002U1 | COUPLING PART FOR COUPLING A FIBER WAVE GUIDE TO A PHOTO SE… | Expired / Lapsed | 1978-03-14 | — | 0 | Details |
| DE2732806B2 | Light signal transmitter between mutually rotatable parts o… | Expired / Lapsed | 1977-07-20 | — | 0 | Details |
| DE2659635B2 | Method for digital information transmission via radio | Expired / Lapsed | 1976-12-30 | — | 0 | Details |
| DE2620758B2 | PCB cassette | Expired / Lapsed | 1976-05-11 | — | 0 | Details |
| DE2445349B2 | Connection field made up of side-by-side connectors for ele… | Expired / Lapsed | 1974-09-23 | — | 0 | Details |
| FR2239978A1 | FR2239978A1 - - Google Patents | Expired / Lapsed | 1974-08-02 | — | 0 | Details |
| DE2433432B1 | Magneto-optical high-tension current-measuring transducer -… | Expired / Lapsed | 1974-07-11 | — | 0 | Details |
| FR2215978A1 | FR2215978A1 - - Google Patents | Expired / Lapsed | 1974-02-01 | — | 0 | Details |
| DE2247767B2 | CIRCUIT ARRANGEMENT FOR UNINTERRUPTED SWITCHING FROM AN OPE… | Expired / Lapsed | 1972-09-29 | — | 0 | Details |
| DE2152806B2 | Self-holding electrode | Expired / Lapsed | 1971-10-22 | — | 0 | Details |
| DE2147426B1 | Circuit arrangement for use in a communication link contain… | Expired / Lapsed | 1971-09-22 | — | 0 | Details |
| DE2124089B2 | Position information transfer from track to tracked vehicle… | Expired / Lapsed | 1971-05-14 | — | 0 | Details |
| DE2119489A1 | Arrangement for the transmission of data via radio links | Expired / Lapsed | 1971-04-21 | — | 0 | Details |
| DE2040108B2 | Digital demodulator for phase modulated signals - samples m… | Expired / Lapsed | 1970-08-12 | — | 0 | Details |
| GB1164954A | Improvements in or relating to Electric Circuit Arrangement… | Expired / Lapsed | 1968-04-10 | — | 0 | Details |
| DE1613438B2 | CIRCUIT ARRANGEMENT FOR THE SPEED REGULATION OF A COLLECTOR… | Expired / Lapsed | 1967-12-06 | — | 0 | Details |
| GB1131129A | Improvements in or relating to telecommunications exchange … | Expired / Lapsed | 1966-09-26 | — | 0 | Details |
| DE1487901B2 | PROCEDURE FOR SEARCHING FREE CONNECTION ROUTES IN A REMOTE … | Expired / Lapsed | 1966-07-29 | — | 0 | Details |
| DE1487891B2 | Procedure for setting up connections in a telecommunication… | Expired / Lapsed | 1966-05-27 | — | 0 | Details |
| GB1081474A | Travel direction controlling installations for vehicles, fo… | Expired / Lapsed | 1965-06-17 | — | 0 | Details |
| US6167338A | Method for storing and retrieving data in a control system,… | Expired / Lapsed | 1998-09-15 | 2000-12-26 | 18 | Details |
| US5938602A | Catheter tracking system and method | Expired / Lapsed | 1997-06-03 | 1999-08-17 | 30 | Details |
| US5689284A | Method for direct manipulation of images on a monitor with … | Expired / Lapsed | 1995-12-20 | 1997-11-18 | 8 | Details |
| US5687729A | Source of therapeutic acoustic waves introducible into the … | Expired / Lapsed | 1995-06-20 | 1997-11-18 | 36 | Details |
| US5611012A | Optical fiber plug-type connector | Expired / Lapsed | 1994-08-25 | 1997-03-11 | 10 | Details |
| US5594781A | Mobile telephone connection transfer | Expired / Lapsed | 1996-04-02 | 1997-01-14 | 2 | Details |
| US5558640A | System for infusion of medicine into the body of a patient | Expired / Lapsed | 1995-03-08 | 1996-09-24 | 16 | Details |
| DE4143540C2 | Therapeutic assembly for treatment by acoustic irradiation | Expired / Lapsed | 1991-10-24 | 1996-08-08 | 0 | Details |
| US5423869A | Multi-sensor rate-responsive pacemaker and method of operat… | Expired / Lapsed | 1993-01-21 | 1995-06-13 | 21 | Details |
| DE4316299C1 | Electronic anti-theft protection system for motor vehicles | Expired / Lapsed | 1993-05-14 | 1994-09-08 | 0 | Details |
| US5340361A | Implantable pacemaker having adaptive AV interval adoptivel… | Expired / Lapsed | 1992-11-13 | 1994-08-23 | 41 | Details |
| US5330522A | Ring electrode for a multilumen lead and method of construc… | Expired / Lapsed | 1992-12-29 | 1994-07-19 | 24 | Details |
| US5327890A | Apparatus for treating a patient with acoustic waves | Expired / Lapsed | 1992-09-08 | 1994-07-12 | 9 | Details |
| US5324324A | Coated implantable stimulation electrode and lead | Expired / Lapsed | 1992-10-13 | 1994-06-28 | 9 | Details |
| US5323772A | Respirator having an inspiration gas flow controlled by the… | Expired / Lapsed | 1992-06-01 | 1994-06-28 | 13 | Details |
| US5309907A | Measuring arrangement for examining a subject with visible,… | Expired / Lapsed | 1992-08-26 | 1994-05-10 | 94 | Details |
| US5305731A | Apparatus for generating acoustic wave having a liquid lens… | Expired / Lapsed | 1992-10-13 | 1994-04-26 | 12 | Details |
| US5301672A | Radiological diagnostics system employing a contrast agent | Expired / Lapsed | 1992-11-16 | 1994-04-12 | 4 | Details |
| EP0361192B1 | Method of making circuit boards | Expired / Lapsed | 1989-09-11 | 1994-02-23 | 8 | Details |
| US5285772A | Therapy apparatus for treating a patient with focused acous… | Expired / Lapsed | 1992-10-13 | 1994-02-15 | 25 | Details |
| US5242431A | Suture sleeve assembly with slidable compression collar | Expired / Lapsed | 1992-06-11 | 1993-09-07 | 12 | Details |
| US5213100A | X-Ray mammography apparatus with a stereotactic biopsy unit | Expired / Lapsed | 1991-10-09 | 1993-05-25 | 6 | Details |
| US5164920A | Composite ultrasound transducer and method for manufacturin… | Expired / Lapsed | 1991-05-28 | 1992-11-17 | 14 | Details |
| US5152288A | Apparatus and method for measuring weak, location-dependent… | Expired / Lapsed | 1991-10-09 | 1992-10-06 | 13 | Details |
| US5118945A | Photothermal test process, apparatus for performing the pro… | Expired / Lapsed | 1990-04-24 | 1992-06-02 | 48 | Details |
| US5113866A | Method for ultrasound imaging | Expired / Lapsed | 1990-12-24 | 1992-05-19 | 21 | Details |
| US5109338A | High-voltage generator and method for generating a high cur… | Expired / Lapsed | 1989-09-14 | 1992-04-28 | 19 | Details |
| US5068609A | Method for generating an image using nuclear magnetic reson… | Expired / Lapsed | 1990-05-16 | 1991-11-26 | 5 | Details |
| US5045746A | Ultrasound array having trapezoidal oscillator elements and… | Expired / Lapsed | 1990-02-22 | 1991-09-03 | 12 | Details |
| US5042486A | Catheter locatable with non-ionizing field and method for l… | Expired / Lapsed | 1990-09-12 | 1991-08-27 | 9 | Details |
| US5031626A | Extracorporeal lithotripsy apparatus with an ultrasound loc… | Expired / Lapsed | 1989-08-11 | 1991-07-16 | 22 | Details |
| US5020545A | Cardiac lead assembly and method of attaching a cardiac lea… | Expired / Lapsed | 1990-01-23 | 1991-06-04 | 21 | Details |
| US5018103A | Read-only memory for a gate array arrangement | Expired / Lapsed | 1988-01-25 | 1991-05-21 | 13 | Details |
| US4984565A | Extracorporeal lithotriptor with x-ray locating system | Expired / Lapsed | 1989-10-26 | 1991-01-15 | 6 | Details |
| US4985015A | Dosing device for controlled injection of liquid from a res… | Expired / Lapsed | 1988-11-23 | 1991-01-15 | 25 | Details |
| US4976229A | Engine camshaft phasing | Expired / Lapsed | 1990-02-12 | 1990-12-11 | 13 | Details |
| US4976255A | Apparatus for extracorporeal lithotripsy using shock waves … | Expired / Lapsed | 1989-08-15 | 1990-12-11 | 26 | Details |
| US4976703A | Medical catheter for intravascular long-term infusion of me… | Expired / Lapsed | 1989-02-15 | 1990-12-11 | 9 | Details |
| US4975885A | Digital input stage for an ultrasound apparatus | Expired / Lapsed | 1989-09-27 | 1990-12-04 | 13 | Details |
| US4956819A | Circuit configuration and a method of testing storage cells | Expired / Lapsed | 1988-03-16 | 1990-09-11 | 11 | Details |
| US4943346A | Method for manufacturing printed circuit boards | Expired / Lapsed | 1989-09-01 | 1990-07-24 | 18 | Details |
| US4932411A | Intervivo coil for a nuclear magnetic resonance tomographic… | Expired / Lapsed | 1986-12-18 | 1990-06-12 | 6 | Details |
| US4907252A | Medical examination system with generation of the internal … | Expired / Lapsed | 1989-01-27 | 1990-03-06 | 13 | Details |
| US4906065A | Electro-optical assembly | Expired / Lapsed | 1988-09-20 | 1990-03-06 | 12 | Details |
| US4902136A | Arrangement for high-resolution spectroscopy | Expired / Lapsed | 1988-10-24 | 1990-02-20 | 16 | Details |
| US4890003A | Capacitively buffered power supply for an electronic device | Expired / Lapsed | 1988-11-08 | 1989-12-26 | 6 | Details |
| US4890311A | Biopsy means for an x-ray examination apparatus | Expired / Lapsed | 1988-06-17 | 1989-12-26 | 11 | Details |
| US4871224A | Device for optical connections of one or more optical emitt… | Expired / Lapsed | 1989-03-13 | 1989-10-03 | 24 | Details |
| US4869258A | Intracavitary ultrasound scanner means | Expired / Lapsed | 1987-12-03 | 1989-09-26 | 43 | Details |
| US4862889A | Monitoring circuit for an RF surgical apparatus | Expired / Lapsed | 1989-01-19 | 1989-09-05 | 15 | Details |
| US4856741A | Adjustable patient support table for an x-ray diagnostics i… | Expired / Lapsed | 1987-12-08 | 1989-08-15 | 18 | Details |
| US4840573A | Mechanism for connecting shielding caps of multi-pole plugs… | Expired / Lapsed | 1988-12-12 | 1989-06-20 | 11 | Details |
| US4838248A | Shock wave head for non-contacting disintegration of calculi | Expired / Lapsed | 1987-12-11 | 1989-06-13 | 7 | Details |
| US4833433A | Magnet system for nuclear spin tomography having supercondu… | Expired / Lapsed | 1988-04-21 | 1989-05-23 | 16 | Details |
| US4829986A | Lithotripsy work station | Expired / Lapsed | 1987-07-13 | 1989-05-16 | 8 | Details |
| US4827129A | Sweep device for a storage luminescent screen | Expired / Lapsed | 1988-02-04 | 1989-05-02 | 12 | Details |
| US4825870A | Pacemaker having crosstalk protection feature | Expired / Lapsed | 1987-06-19 | 1989-05-02 | 25 | Details |
| US4817614A | Method and apparatus for adaptive focusing in a medical ult… | Expired / Lapsed | 1987-08-19 | 1989-04-04 | 22 | Details |
| US4813402A | Coupling member for a shock wave therapy device | Expired / Lapsed | 1987-02-09 | 1989-03-21 | 13 | Details |
| USD300218S | Portable radio telephone communications instrument | Expired / Lapsed | 1987-03-11 | 1989-03-14 | 1 | Details |
| US4809697A | Interactive programming and diagnostic system for use with … | Expired / Lapsed | 1987-10-14 | 1989-03-07 | 19 | Details |
| US4808542A | Process for the stabilization of PN junctions | Expired / Lapsed | 1987-08-10 | 1989-02-28 | 19 | Details |
| US4806882A | Oscillator/demodulator circuit for an inductive proximity s… | Expired / Lapsed | 1986-06-19 | 1989-02-21 | 6 | Details |
| US4797901A | Circuit arrangement for testing a passive bus network with … | Expired / Lapsed | 1986-08-22 | 1989-01-10 | 7 | Details |
| US4787371A | Apparatus for the disintegration of calculi | Expired / Lapsed | 1987-07-06 | 1988-11-29 | 11 | Details |
| US4786149A | Arrangement for optical image processing | Expired / Lapsed | 1987-05-20 | 1988-11-22 | 5 | Details |
| US4783852A | Method and apparatus for acquiring information using a rela… | Expired / Lapsed | 1986-08-08 | 1988-11-08 | 19 | Details |
| US4779620A | Nuclear magnetic resonance tomography apparatus and method | Expired / Lapsed | 1986-05-22 | 1988-10-25 | 15 | Details |
| US4776660A | Light diplexer of a communication system comprising three l… | Expired / Lapsed | 1987-01-27 | 1988-10-11 | 14 | Details |
| US4776002A | Method for prompting at a digital telephone station | Expired / Lapsed | 1987-06-16 | 1988-10-04 | 11 | Details |
| US4773433A | Implantable electrode | Expired / Lapsed | 1982-04-01 | 1988-09-27 | 7 | Details |
| US4768199A | Mechanism for self-adjusting positioning of a semiconductor… | Expired / Lapsed | 1986-09-05 | 1988-08-30 | 8 | Details |
| US4763316A | Circuit arrangement for centrally controlled time division … | Expired / Lapsed | 1987-02-19 | 1988-08-09 | 5 | Details |
| US4756591A | Device for releasable coupling of an optical fiber to an op… | Expired / Lapsed | 1985-02-06 | 1988-07-12 | 18 | Details |
| US4752929A | Method of operating a semiconductor memory with a capabilit… | Expired / Lapsed | 1986-03-25 | 1988-06-21 | 32 | Details |
| US4741796A | Method for positioning and bonding a solid body to a suppor… | Expired / Lapsed | 1986-04-24 | 1988-05-03 | 25 | Details |
| US4741008A | Lithotriptor | Expired / Lapsed | 1987-03-13 | 1988-04-26 | 10 | Details |
| US4737641A | Apparatus for producing x-ray images by computer radiography | Expired / Lapsed | 1986-07-28 | 1988-04-12 | 21 | Details |
| US4735920A | Method for structuring silicon carbide | Expired / Lapsed | 1987-02-04 | 1988-04-05 | 8 | Details |
| US4733562A | Method and apparatus for ultrasonic scanning of an object | Expired / Lapsed | 1986-07-11 | 1988-03-29 | 25 | Details |
| US4729971A | Semiconductor wafer dicing techniques | Expired / Lapsed | 1987-03-31 | 1988-03-08 | 13 | Details |
| US4730351A | X-ray diagnostics installation | Expired / Lapsed | 1986-05-22 | 1988-03-08 | 4 | Details |
| US4730330A | Integrated structure for bi-directional optical fiber trans… | Expired / Lapsed | 1985-12-23 | 1988-03-08 | 24 | Details |
| US4728968A | Arrangement of discharge openings in a printhead of a multi… | Expired / Lapsed | 1986-07-18 | 1988-03-01 | 10 | Details |
| US4727882A | Method for providing a magnetic resonance image from respir… | Expired / Lapsed | 1986-04-17 | 1988-03-01 | 13 | Details |
| US4727328A | Patient handling arrangements for NMR imaging systems | Expired / Lapsed | 1985-11-15 | 1988-02-23 | 17 | Details |
| US4726015A | Digital signal channel distributor | Expired / Lapsed | 1986-07-16 | 1988-02-16 | 4 | Details |
| US4718055A | Wave-division multiplex component for an optical network co… | Expired / Lapsed | 1986-08-20 | 1988-01-05 | 19 | Details |
| US4707067A | Opto-electronic module housing | Expired / Lapsed | 1985-02-22 | 1987-11-17 | 19 | Details |
| USD291885S | Telephone handset or similar article | Expired / Lapsed | 1985-10-09 | 1987-09-15 | 1 | Details |
| DE3101636C2 | DE3101636C2 - - Google Patents | Expired / Lapsed | 1981-01-20 | 1987-08-27 | 0 | Details |
| US4674505A | Apparatus for the contact-free disintegration of calculi | Expired / Lapsed | 1984-07-24 | 1987-06-23 | 9 | Details |
| US4672493A | Thin-film magnetic head with a double gap for a recording m… | Expired / Lapsed | 1985-04-25 | 1987-06-09 | 18 | Details |
| US4663767A | Optical data bus having a statistical access method | Expired / Lapsed | 1985-06-26 | 1987-05-05 | 8 | Details |
| US4663773A | X-ray diagnostic installation with subtraction stage | Expired / Lapsed | 1985-02-01 | 1987-05-05 | 12 | Details |
| US4661775A | Chemical shift imaging with field inhomogeneity correction | Expired / Lapsed | 1985-07-15 | 1987-04-28 | 30 | Details |
| US4657341A | Connector for light waveguides and method of producing same | Expired / Lapsed | 1984-07-27 | 1987-04-14 | 35 | Details |
| US4656384A | Ultrasonic detection sensor in hybrid structure with appert… | Expired / Lapsed | 1985-10-18 | 1987-04-07 | 26 | Details |
| US4656352A | Optoelectronic transducer | Expired / Lapsed | 1985-09-03 | 1987-04-07 | 12 | Details |
| US4651335A | Patient support bodies including reference elements for a t… | Expired / Lapsed | 1985-02-06 | 1987-03-17 | 4 | Details |
| US4649558A | X-ray diagnostic system with an image intensifier televisio… | Expired / Lapsed | 1985-05-15 | 1987-03-10 | 4 | Details |
| US4637682A | Branch connector for light waveguides | Expired / Lapsed | 1981-03-20 | 1987-01-20 | 8 | Details |
| US4635484A | Ultrasonic transducer system | Expired / Lapsed | 1985-06-06 | 1987-01-13 | 7 | Details |
| US4625194A | A.C. contactor | Expired / Lapsed | 1985-08-15 | 1986-11-25 | 14 | Details |
| US4617707A | Method for the manufacture of an ultrasonics antenna array | Expired / Lapsed | 1985-09-09 | 1986-10-21 | 9 | Details |
| US4611296A | Manipulation device such as an industrial robot having at l… | Expired / Lapsed | 1984-10-12 | 1986-09-09 | 18 | Details |
| US4609940A | Radiodiagnostic installation with a patient table and a pri… | Expired / Lapsed | 1984-08-17 | 1986-09-02 | 4 | Details |
| US4602622A | Medical examination installation | Expired / Lapsed | 1980-11-03 | 1986-07-29 | 6 | Details |
| US4598281A | Electrical line interruption detection and alarm circuit | Expired / Lapsed | 1983-12-02 | 1986-07-01 | 15 | Details |
| US4589284A | Ultrasonic tomography unit | Expired / Lapsed | 1984-12-17 | 1986-05-20 | 3 | Details |
| US4587447A | Input signal level converter for an MOS digital circuit | Expired / Lapsed | 1984-05-04 | 1986-05-06 | 6 | Details |
| US4583076A | Integrable digital/analog converter | Expired / Lapsed | 1984-09-18 | 1986-04-15 | 7 | Details |
| EP0021389B1 | Ink printing device for the printing of a recording support | Expired / Lapsed | 1980-06-23 | 1986-01-29 | 9 | Details |
| US4566115A | X-Ray diagnostic system for radiographs | Expired / Lapsed | 1983-10-06 | 1986-01-21 | 2 | Details |
| US4564980A | Ultrasonic transducer system and manufacturing method | Expired / Lapsed | 1983-02-17 | 1986-01-21 | 2 | Details |
| US4561446A | Ultrasonic probe which can be introduced into a body | Expired / Lapsed | 1982-10-08 | 1985-12-31 | 8 | Details |
| US4559037A | Device for the pre-programmable infusion of liquids | Expired / Lapsed | 1984-01-20 | 1985-12-17 | 34 | Details |
| US4548464A | Frequency analyzer in planar waveguide technology and metho… | Expired / Lapsed | 1982-08-19 | 1985-10-22 | 18 | Details |
| USD280895S | Telephone handset for mobile radio unit | Expired / Lapsed | 1983-04-14 | 1985-10-08 | 1 | Details |
| US4545385A | Ultrasound examination device for scanning body parts | Expired / Lapsed | 1983-03-21 | 1985-10-08 | 31 | Details |
| US4540237A | Coupling element for coupling light into and out of an opti… | Expired / Lapsed | 1985-01-29 | 1985-09-10 | 13 | Details |
| US4530362A | Ultrasound device for sector scanning | Expired / Lapsed | 1983-07-11 | 1985-07-23 | 11 | Details |
| US4528510A | Device for generating images of an object under examination… | Expired / Lapsed | 1983-08-11 | 1985-07-09 | 2 | Details |
| US4526168A | Apparatus for destroying calculi in body cavities | Expired / Lapsed | 1982-04-26 | 1985-07-02 | 13 | Details |
| US4519672A | Method for obtaining an accurate concentric fastening of an… | Expired / Lapsed | 1981-09-17 | 1985-05-28 | 4 | Details |
| US4510448A | Device for generating images of an examination subject | Expired / Lapsed | 1982-09-22 | 1985-04-09 | 4 | Details |
| DE2539241C3 | Device for central location monitoring of vehicles in a tra… | Expired / Lapsed | 1975-09-03 | 1985-02-07 | 0 | Details |
| US4495434A | Pressure-sensitive transducer using piezo ceramic material | Expired / Lapsed | 1983-09-27 | 1985-01-22 | 6 | Details |
| US4491981A | Galvanically separating coupling location for energy and/or… | Expired / Lapsed | 1981-05-08 | 1985-01-01 | 23 | Details |
| DE3104508C2 | Secondary radar antenna array | Expired / Lapsed | 1981-02-09 | 1984-12-13 | 0 | Details |
| US4484794A | Optical star coupler and the method of making | Expired / Lapsed | 1981-09-02 | 1984-11-27 | 10 | Details |
| US4478084A | Ultrasound tomography device | Expired / Lapsed | 1983-06-13 | 1984-10-23 | 10 | Details |
| US4479128A | Polarization means for generating circularly polarized elec… | Expired / Lapsed | 1981-07-08 | 1984-10-23 | 11 | Details |
| US4477314A | Method for determining sugar concentration | Expired / Lapsed | 1983-07-20 | 1984-10-16 | 10 | Details |
| US4476151A | Method and device for attaching disc-or plate-shaped target… | Expired / Lapsed | 1983-08-24 | 1984-10-09 | 3 | Details |
| US4464778A | X-ray examination means | Expired / Lapsed | 1982-09-16 | 1984-08-07 | 11 | Details |
| US4462803A | Device for cleaning teeth | Expired / Lapsed | 1982-08-13 | 1984-07-31 | 10 | Details |
| US4458533A | Apparatus for ultrasonic scanning | Expired / Lapsed | 1981-05-21 | 1984-07-10 | 6 | Details |
| US4457175A | Insonification apparatus for an ultrasound transmission sys… | Expired / Lapsed | 1982-05-17 | 1984-07-03 | 19 | Details |
| US4458338A | Circuit for checking memory cells of programmable MOS-integ… | Expired / Lapsed | 1981-08-06 | 1984-07-03 | 6 | Details |
| USD274515S | Telephone set | Expired / Lapsed | 1980-09-15 | 1984-07-03 | 1 | Details |
| US4456881A | Gradient-coil apparatus for a magnetic resonance system | Expired / Lapsed | 1982-01-18 | 1984-06-26 | 21 | Details |
| US4455667A | Radiation diagnostic device for generating tomographic imag… | Expired / Lapsed | 1981-02-20 | 1984-06-19 | 6 | Details |
| US4452507A | Fiber optical bypass switch | Expired / Lapsed | 1981-09-17 | 1984-06-05 | 15 | Details |
| US4449783A | Optical star coupler with a planar mixer element | Expired / Lapsed | 1981-03-05 | 1984-05-22 | 16 | Details |
| US4447292A | Method for manufacturing unsupported metal lattice structur… | Expired / Lapsed | 1983-01-04 | 1984-05-08 | 5 | Details |
| US4441171A | Monolithically integrated semiconductor memory | Expired / Lapsed | 1982-01-13 | 1984-04-03 | 8 | Details |
| US4438458A | Data display device | Expired / Lapsed | 1982-01-29 | 1984-03-20 | 7 | Details |
| US4437638A | Arrangement for fastening a monitor to a text station | Expired / Lapsed | 1981-03-27 | 1984-03-20 | 10 | Details |
| US4434799A | Ultrasound apparatus for medical examinations | Expired / Lapsed | 1982-03-02 | 1984-03-06 | 27 | Details |
| US4433690A | Compact ultrasound apparatus for medical examination | Expired / Lapsed | 1981-07-20 | 1984-02-28 | 18 | Details |
| US4425580A | Diagnostic x-ray installation for providing subtraction ima… | Expired / Lapsed | 1981-10-26 | 1984-01-10 | 5 | Details |
| DE3229880C1 | Transmitter for a microwave traffic system | Expired / Lapsed | 1982-08-11 | 1984-01-05 | 0 | Details |
| US4414241A | Method for lubricating bearing and gear surfaces | Expired / Lapsed | 1982-01-29 | 1983-11-08 | 22 | Details |
| US4413528A | Miniature pressure transducer | Expired / Lapsed | 1981-04-15 | 1983-11-08 | 6 | Details |
| US4403291A | Self-sufficient navigation device for street vehicles | Expired / Lapsed | 1980-10-07 | 1983-09-06 | 12 | Details |
| US4398886A | Rotatable socket for a dental handpiece | Expired / Lapsed | 1981-10-09 | 1983-08-16 | 13 | Details |
| US4399330A | Communications system, in particular a telephone system, fo… | Expired / Lapsed | 1981-08-07 | 1983-08-16 | 15 | Details |
| US4398422A | Ultrasonic-image device | Expired / Lapsed | 1981-03-11 | 1983-08-16 | 19 | Details |
| US4398204A | Circuit for operating recording nozzles | Expired / Lapsed | 1981-08-27 | 1983-08-09 | 9 | Details |
| US4398213A | X-Ray diagnostic installation for providing subtraction ima… | Expired / Lapsed | 1981-04-09 | 1983-08-09 | 10 | Details |
| US4397035A | Device and housing for radio transmission reception | Expired / Lapsed | 1981-08-06 | 1983-08-02 | 11 | Details |
| US4388541A | Circuit arrangement with MOS-transistors for the rapid eval… | Expired / Lapsed | 1980-07-23 | 1983-06-14 | 6 | Details |
| US4384368A | Insulated insert with high electric strength | Expired / Lapsed | 1981-05-08 | 1983-05-17 | 14 | Details |
| US4383535A | Method for preventing remanence phenomena from interfering … | Expired / Lapsed | 1980-10-16 | 1983-05-17 | 8 | Details |
| US4380818A | X-Ray diagnostic system comprising a radiography unit with … | Expired / Lapsed | 1981-05-27 | 1983-04-19 | 9 | Details |
| US4380755A | Monolithically integrated two-dimensional image sensor with… | Expired / Lapsed | 1980-06-30 | 1983-04-19 | 10 | Details |
| US4377030A | Metallization of selectively implanted AIII -BV compound se… | Expired / Lapsed | 1981-02-11 | 1983-03-22 | 10 | Details |
| US4376255A | Method for pulse triggering of a piezo-electric sound-trans… | Expired / Lapsed | 1981-02-18 | 1983-03-08 | 12 | Details |
| US4374524A | Electromedical apparatus for interference current treatment | Expired / Lapsed | 1980-08-04 | 1983-02-22 | 9 | Details |
| US4373395A | Apparatus for ultrasonic scanning | Expired / Lapsed | 1980-09-29 | 1983-02-15 | 18 | Details |
| US4372989A | Process for producing coarse-grain crystalline/mono-crystal… | Expired / Lapsed | 1980-06-09 | 1983-02-08 | 11 | Details |
| US4369427A | Method and circuit arrangement for determining the entry an… | Expired / Lapsed | 1980-06-04 | 1983-01-18 | 10 | Details |
| US4367482A | Method and apparatus for representing polychromatic half-to… | Expired / Lapsed | 1981-08-17 | 1983-01-04 | 10 | Details |
| US4366033A | Method for determining the concentration of sugar using an … | Expired / Lapsed | 1979-04-11 | 1982-12-28 | 14 | Details |
| US4359705A | Deflection unit for cathode ray tubes | Expired / Lapsed | 1980-10-03 | 1982-11-16 | 13 | Details |
| US4356733A | Dosing device for gas chromatography | Expired / Lapsed | 1980-10-15 | 1982-11-02 | 15 | Details |
| US4357593A | Guidance system for individual traffic | Expired / Lapsed | 1980-08-06 | 1982-11-02 | 14 | Details |
| US4356622A | Method of producing low-resistance diffused regions in IC M… | Expired / Lapsed | 1980-06-09 | 1982-11-02 | 10 | Details |
| US4354509A | Apparatus for application of an electrode system on a patie… | Expired / Lapsed | 1980-11-03 | 1982-10-19 | 8 | Details |
| US4354498A | Electromedical apparatus | Expired / Lapsed | 1980-08-28 | 1982-10-19 | 5 | Details |
| US4354388A | Method for nondestructive material testing with ultrasound … | Expired / Lapsed | 1980-06-17 | 1982-10-19 | 13 | Details |
| US4354132A | Ultrasonic transducer with a plastic piezoelectric receivin… | Expired / Lapsed | 1980-02-28 | 1982-10-12 | 16 | Details |
| US4352187A | Semiconductor laser diode | Expired / Lapsed | 1979-12-19 | 1982-09-28 | 9 | Details |
| US4351585A | Coupling element for an optical waveguide | Expired / Lapsed | 1979-11-07 | 1982-09-28 | 4 | Details |
| US4350970A | Method for traffic determination in a routing and informati… | Expired / Lapsed | 1980-10-29 | 1982-09-21 | 10 | Details |
| US4346717A | Device for punctuating internal body organs, vessels or the… | Expired / Lapsed | 1980-08-18 | 1982-08-31 | 30 | Details |
| US4338493A | Method and devices for reporting emergency calls and for in… | Expired / Lapsed | 1980-06-25 | 1982-07-06 | 21 | Details |
| US4336557A | Monolithically integrated circuit for relatively slow reado… | Expired / Lapsed | 1980-06-30 | 1982-06-22 | 22 | Details |
| US4335456A | Switch-through unit for bit groups within a program control… | Expired / Lapsed | 1980-01-28 | 1982-06-15 | 3 | Details |
| US4334151A | Circuit provided with an exposure measuring part for sensor… | Expired / Lapsed | 1980-07-11 | 1982-06-08 | 13 | Details |
| DE3012484C2 | Mobile radio network | Expired / Lapsed | 1980-03-31 | 1982-06-03 | 0 | Details |
| US4331962A | Device for gating a blanking bar into a recording of analog… | Expired / Lapsed | 1980-09-12 | 1982-05-25 | 18 | Details |
| US4331379A | Optical cable with thixotropic filling compound | Expired / Lapsed | 1980-01-30 | 1982-05-25 | 15 | Details |
| DE2716153C2 | Circuit for the compensation of harmonic currents in an ele… | Expired / Lapsed | 1977-04-12 | 1982-04-29 | 0 | Details |
| US4319243A | Airport-surveillance system | Expired / Lapsed | 1980-02-08 | 1982-03-09 | 4 | Details |
| US4319358A | Information transmission | Expired / Lapsed | 1975-10-23 | 1982-03-09 | 4 | Details |
| US4318188A | Semiconductor device for the reproduction of acoustic signa… | Expired / Lapsed | 1979-05-21 | 1982-03-02 | 12 | Details |
| US4309613A | X-Ray diagnostic device for fluoroscopic examination and fi… | Expired / Lapsed | 1979-11-14 | 1982-01-05 | 4 | Details |
| US4303077A | Device for the measurement of the location, the position an… | Expired / Lapsed | 1979-03-29 | 1981-12-01 | 16 | Details |
| US4303905A | Method and apparatus for calculating the green light time i… | Expired / Lapsed | 1978-08-31 | 1981-12-01 | 9 | Details |
| US4301790A | Endoscope with electric image transmission | Expired / Lapsed | 1979-07-16 | 1981-11-24 | 12 | Details |
| US4297890A | Pressure transducer | Expired / Lapsed | 1980-05-21 | 1981-11-03 | 6 | Details |
| US4295870A | Process for the production of glass for a glass workpiece f… | Expired / Lapsed | 1980-07-18 | 1981-10-20 | 8 | Details |
| US4296400A | Installation for control of a traffic light system by vehic… | Expired / Lapsed | 1978-11-28 | 1981-10-20 | 4 | Details |
| US4294194A | Device for coating objects | Expired / Lapsed | 1979-10-31 | 1981-10-13 | 10 | Details |
| US4294119A | Ultrasonic applicator for ultrasonic scanning of bodies | Expired / Lapsed | 1979-05-17 | 1981-10-13 | 15 | Details |
| US4292575A | Control signal transmitter for the commutating device of an… | Expired / Lapsed | 1979-12-21 | 1981-09-29 | 10 | Details |
| US4292606A | Modulation current control of laser diodes | Expired / Lapsed | 1979-10-18 | 1981-09-29 | 13 | Details |
| US4283664A | Control signal generator for the commutating device of a br… | Expired / Lapsed | 1979-12-21 | 1981-08-11 | 11 | Details |
| US4282872A | Device for the pre-programmable infusion of liquids | Expired / Lapsed | 1978-12-13 | 1981-08-11 | 10 | Details |
| CA1106047A | Control unit for thyristor supplied variable speed d- c dri… | Expired / Lapsed | 1978-01-24 | 1981-07-28 | 5 | Details |
| US4277272A | Method for the manufacture of a multi-channel fiber optical… | Expired / Lapsed | 1980-02-25 | 1981-07-07 | 7 | Details |
| US4277810A | Floppy disc structure with rectangular casing | Expired / Lapsed | 1979-02-15 | 1981-07-07 | 5 | Details |
| US4269176A | Treatment head for electromedical diagnostic or therapeutic… | Expired / Lapsed | 1978-11-24 | 1981-05-26 | 10 | Details |
| US4270211A | System for synchronizing exchanges of a telecommunications … | Expired / Lapsed | 1978-09-25 | 1981-05-26 | 14 | Details |
| US4250353A | Danger alarm system | Expired / Lapsed | 1979-04-13 | 1981-02-10 | 11 | Details |
| US4250502A | Resolution for a raster display | Expired / Lapsed | 1979-04-13 | 1981-02-10 | 9 | Details |
| US4250385A | Semiconductor X-ray detector | Expired / Lapsed | 1978-09-08 | 1981-02-10 | 2 | Details |
| US4245511A | Ultrasonic applicator for ultrasonic scanning of bodies and… | Expired / Lapsed | 1979-07-19 | 1981-01-20 | 2 | Details |
| US4241732A | Arrangement in respirators using a fluidistor to determine … | Expired / Lapsed | 1978-11-16 | 1980-12-30 | 5 | Details |
| US4241301A | Circuit arrangement for the generation of stepping pulses f… | Expired / Lapsed | 1978-05-02 | 1980-12-23 | 11 | Details |
| US4236086A | Apparatus for the detection and processing of electric sign… | Expired / Lapsed | 1978-10-20 | 1980-11-25 | 16 | Details |
| US4235111A | Apparatus for ultrasonic scanning | Expired / Lapsed | 1977-08-31 | 1980-11-25 | 23 | Details |
| US4233979A | Method of screwing an adapter into the human cranium | Expired / Lapsed | 1978-04-20 | 1980-11-18 | 2 | Details |
| US4225936A | Function generator with storage matrix | Expired / Lapsed | 1978-08-10 | 1980-09-30 | 12 | Details |
| US4219873A | Process for controlling operation of and data exchange betw… | Expired / Lapsed | 1976-10-15 | 1980-08-26 | 4 | Details |
| US4210926A | Intermediate member for mounting and contacting a semicondu… | Expired / Lapsed | 1979-03-16 | 1980-07-01 | 8 | Details |
| US4201445A | Plug connection for light-wave conductors | Expired / Lapsed | 1978-04-28 | 1980-05-06 | 13 | Details |
| US4197855A | Device for measuring the location, the attitude and/or the … | Expired / Lapsed | 1978-03-17 | 1980-04-15 | 26 | Details |
| US4196837A | Method of indirectly connecting two parts | Expired / Lapsed | 1978-07-27 | 1980-04-08 | 6 | Details |
| US4194283A | Process for the production of a single transistor memory ce… | Expired / Lapsed | 1978-08-16 | 1980-03-25 | 15 | Details |
| US4194201A | Interrogator-responsor system | Expired / Lapsed | 1973-07-23 | 1980-03-18 | 6 | Details |
| US4191181A | Apparatus for infusion of liquids | Expired / Lapsed | 1977-10-26 | 1980-03-04 | 21 | Details |
| US4190850A | MIS field effect transistor having a short channel length | Expired / Lapsed | 1978-01-17 | 1980-02-26 | 20 | Details |
| US4187398A | Telephone and data network for mobile subscribers | Expired / Lapsed | 1978-02-21 | 1980-02-05 | 6 | Details |
| US4182316A | Holographic installation | Expired / Lapsed | 1977-10-25 | 1980-01-08 | 3 | Details |
| US4182038A | Dental handpiece | Expired / Lapsed | 1976-12-21 | 1980-01-08 | 9 | Details |
| US4181936A | Data exchange processor for distributed computing system | Expired / Lapsed | 1977-09-12 | 1980-01-01 | 5 | Details |
| US4177679A | Ultrasonic applicator for ultrasonic scanning of bodies and… | Expired / Lapsed | 1976-06-10 | 1979-12-11 | 11 | Details |
| US4171468A | Method and apparatus for remote control | Expired / Lapsed | 1977-11-22 | 1979-10-16 | 21 | Details |
| US4167675A | X-ray collimator comprising light beam localizer with lens … | Expired / Lapsed | 1977-06-08 | 1979-09-11 | 4 | Details |
| US4166957A | Apparatus and method for producing a sectional view of a bo… | Expired / Lapsed | 1977-08-25 | 1979-09-04 | 14 | Details |
| US4164872A | Method for determining spinning or slipping of the wheels i… | Expired / Lapsed | 1978-02-02 | 1979-08-21 | 10 | Details |
| US4163500A | Bottle seal | Expired / Lapsed | 1978-01-23 | 1979-08-07 | 5 | Details |
| US4163394A | Method of ultrasonic scanning of bodies | Expired / Lapsed | 1976-06-10 | 1979-08-07 | 4 | Details |
| US4161122A | Apparatus for examining bodies through scanning by means of… | Expired / Lapsed | 1978-06-28 | 1979-07-17 | 9 | Details |
| US4156289A | Semiconductor memory | Expired / Lapsed | 1978-01-26 | 1979-05-22 | 6 | Details |
| US4153061A | Electrotherapeutic apparatus | Expired / Lapsed | 1977-10-20 | 1979-05-08 | 12 | Details |
| US4150293A | Tomographic apparatus for producing transverse layer images | Expired / Lapsed | 1977-03-21 | 1979-04-17 | 3 | Details |
| US4148931A | Process for depositing elemental silicon semiconductor mate… | Expired / Lapsed | 1978-04-28 | 1979-04-10 | 5 | Details |
| US4149082A | X-ray diagnostic installation for X-ray tomographic images | Expired / Lapsed | 1977-12-30 | 1979-04-10 | 11 | Details |
| US4148305A | Cathode for polarographic measurements in physiological med… | Expired / Lapsed | 1977-03-02 | 1979-04-10 | 12 | Details |
| US4147979A | Movable probe carrying optical waveguides with electro-opti… | Expired / Lapsed | 1977-12-13 | 1979-04-03 | 14 | Details |
| US4145574A | Circuit arrangement for the transmission of digital signals… | Expired / Lapsed | 1977-09-27 | 1979-03-20 | 6 | Details |
| US4145622A | Decoder circuit arrangement with MOS transistors | Expired / Lapsed | 1977-08-17 | 1979-03-20 | 4 | Details |
| US4145657A | Radio transmission system for two subscribers to have a mut… | Expired / Lapsed | 1977-02-22 | 1979-03-20 | 11 | Details |
| US4143445A | Fixation device | Expired / Lapsed | 1978-03-17 | 1979-03-13 | 4 | Details |
| US4140122A | Implantable dosing device | Expired / Lapsed | 1977-06-02 | 1979-02-20 | 9 | Details |
| US4140121A | Implantable dosing device | Expired / Lapsed | 1977-06-02 | 1979-02-20 | 10 | Details |
| US4140963A | Device for measuring sugar concentration | Expired / Lapsed | 1977-03-07 | 1979-02-20 | 10 | Details |
| US4139262A | Filter for a light wave in a light guiding fiber | Expired / Lapsed | 1977-01-12 | 1979-02-13 | 6 | Details |
| US4135783A | Device for forming a detachable connection between a wavegu… | Expired / Lapsed | 1977-05-16 | 1979-01-23 | 11 | Details |
| US4131797A | X-ray diagnostic installation for fluoroscopy and photograp… | Expired / Lapsed | 1977-12-01 | 1978-12-26 | 2 | Details |
| US4127777A | Method for automatic adjustment | Expired / Lapsed | 1977-07-13 | 1978-11-28 | 10 | Details |
| US4127842A | Apparatus for the measurement of flowing media according to… | Expired / Lapsed | 1976-11-17 | 1978-11-28 | 16 | Details |
| US4123654A | Method for determining the density of bodies by means of pe… | Expired / Lapsed | 1976-10-04 | 1978-10-31 | 62 | Details |
| US4120560A | Optical waveguide network | Expired / Lapsed | 1978-01-20 | 1978-10-17 | 8 | Details |
| US4120553A | Plug housing for multipolar plug connectors | Expired / Lapsed | 1977-10-06 | 1978-10-17 | 2 | Details |
| US4119096A | Medical inhalation device for the treatment of diseases of … | Expired / Lapsed | 1976-08-24 | 1978-10-10 | 4 | Details |
| US4113345A | Branching arrangement for communication transmission links … | Expired / Lapsed | 1975-11-26 | 1978-09-12 | 7 | Details |
| US4112332A | Matrix-addressed gas-discharge display device for multi-col… | Expired / Lapsed | 1977-04-01 | 1978-09-05 | 25 | Details |
| US4112498A | Digital correlation receiver | Expired / Lapsed | 1977-02-03 | 1978-09-05 | 5 | Details |
| US4111552A | Apparatus and method for measuring distance from and speed … | Expired / Lapsed | 1976-10-13 | 1978-09-05 | 16 | Details |
| US4103236A | Electronic jamming system | Expired / Lapsed | 1961-09-18 | 1978-07-25 | 19 | Details |
| US4100798A | Flow meter with piezo-ceramic resistance element | Expired / Lapsed | 1977-03-28 | 1978-07-18 | 10 | Details |
| US4098926A | Method of producing optical cables | Expired / Lapsed | 1977-02-22 | 1978-07-04 | 11 | Details |
| US4095597A | Arrangement for measuring cross-sectional fluctuations of c… | Expired / Lapsed | 1976-02-25 | 1978-06-20 | 5 | Details |
| US4095047A | Phase regulating circuit | Expired / Lapsed | 1976-11-01 | 1978-06-13 | 11 | Details |
| US4093990A | Method for the production of mask patterns for integrated s… | Expired / Lapsed | 1975-09-22 | 1978-06-06 | 7 | Details |
| US4088911A | Electric unipolar machine | Expired / Lapsed | 1976-08-05 | 1978-05-09 | 7 | Details |
| US4087067A | Train protection and control system | Expired / Lapsed | 1977-06-10 | 1978-05-02 | 6 | Details |
| US4087315A | Method for producing light conductor structures with interl… | Expired / Lapsed | 1977-06-08 | 1978-05-02 | 10 | Details |
| US4087716A | Multi-layer element consisting of piezoelectric ceramic lam… | Expired / Lapsed | 1976-08-31 | 1978-05-02 | 2 | Details |
| US4084681A | Drive system for writing carriages in printing systems | Expired / Lapsed | 1977-03-09 | 1978-04-18 | 16 | Details |
| US4080536A | X-Ray diagnostic arrangements with several radiological exp… | Expired / Lapsed | 1976-05-05 | 1978-03-21 | 4 | Details |
| US4077405A | Apparatus for infusing liquids into human or animal bodies | Expired / Lapsed | 1976-03-22 | 1978-03-07 | 13 | Details |
| US4075761A | Dental handpiece | Expired / Lapsed | 1976-06-22 | 1978-02-28 | 8 | Details |
| US4074080A | Method and switching arrangement for synchronizing oscillat… | Expired / Lapsed | 1976-05-28 | 1978-02-14 | 10 | Details |
| US4072982A | Semiconductor component with dielectric carrier and its man… | Expired / Lapsed | 1975-07-02 | 1978-02-07 | 7 | Details |
| US4070622A | Magneto-optical high voltage current measuring transducer | Expired / Lapsed | 1976-09-10 | 1978-01-24 | 12 | Details |
| US4070620A | Magneto-optical high-voltage current measuring transducer | Expired / Lapsed | 1976-08-09 | 1978-01-24 | 9 | Details |
| US4067320A | Arrangement for drift compensation in a gas analyzer | Expired / Lapsed | 1976-04-30 | 1978-01-10 | 8 | Details |
| US4068020A | Method of depositing elemental amorphous silicon | Expired / Lapsed | 1975-12-29 | 1978-01-10 | 7 | Details |
| US4063041A | Method of transmitting digital data of a PCM/TDM telecommun… | Expired / Lapsed | 1976-03-17 | 1977-12-13 | 2 | Details |
| US4061418A | Liquid-crystal display with polarizer, and method of making… | Expired / Lapsed | 1976-09-30 | 1977-12-06 | 10 | Details |
| US4060733A | X-ray diagnostic apparatus with an automatic exposure timer | Expired / Lapsed | 1975-10-16 | 1977-11-29 | 5 | Details |
| US4058114A | Ultrasonic arrangement for puncturing internal body organs,… | Expired / Lapsed | 1975-09-10 | 1977-11-15 | 5 | Details |
| US4055837A | Dynamic single-transistor memory element for relatively per… | Expired / Lapsed | 1975-10-22 | 1977-10-25 | 31 | Details |
| US4053975A | Method of making a self-supporting wire coil | Expired / Lapsed | 1976-08-31 | 1977-10-18 | 12 | Details |
| US4053227A | Method and apparatus for automatic and contactless measurem… | Expired / Lapsed | 1975-10-03 | 1977-10-11 | 10 | Details |
| US4051843A | Apparatus for the determination of the respiratory passagew… | Expired / Lapsed | 1976-02-20 | 1977-10-04 | 12 | Details |
| US4049908A | Method and apparatus for digital data transmission | Expired / Lapsed | 1976-04-02 | 1977-09-20 | 5 | Details |
| US4047520A | Ultrasonic imaging apparatus operating according to the imp… | Expired / Lapsed | 1976-07-06 | 1977-09-13 | 15 | Details |
| US4047975A | Process for the production of a bipolar integrated circuit | Expired / Lapsed | 1976-07-02 | 1977-09-13 | 19 | Details |
| US4047283A | Method and apparatus for connecting individual light wavegu… | Expired / Lapsed | 1976-07-01 | 1977-09-13 | 14 | Details |
| US4045863A | Method of producing metallic carrier system for a multi-ele… | Expired / Lapsed | 1976-08-30 | 1977-09-06 | 8 | Details |
| US4046453A | Plug connection for optical fibers | Expired / Lapsed | 1974-06-27 | 1977-09-06 | 5 | Details |
| US4042006A | Pyrolytic process for producing a band-shaped metal layer o… | Expired / Lapsed | 1975-10-22 | 1977-08-16 | 2 | Details |
| US4041373A | Capacitive pulse pickup | Expired / Lapsed | 1976-01-20 | 1977-08-09 | 8 | Details |
| US4040831A | Method for the preparation of relief structures | Expired / Lapsed | 1975-07-24 | 1977-08-09 | 8 | Details |
| US4041418A | Equalizer for partial response signals | Expired / Lapsed | 1975-06-24 | 1977-08-09 | 5 | Details |
| US4037124A | Cooling arrangement for the rotor of an electric machine | Expired / Lapsed | 1975-08-18 | 1977-07-19 | 13 | Details |
| US4033351A | Bipolar cutting electrode for high-frequency surgery | Expired / Lapsed | 1976-09-14 | 1977-07-05 | 3 | Details |
| US4032800A | Logic level conversion system | Expired / Lapsed | 1975-04-07 | 1977-06-28 | 8 | Details |
| US4029084A | Ultrasound applicator with guide slot for puncturing cannula | Expired / Lapsed | 1975-12-09 | 1977-06-14 | 16 | Details |
| US4023574A | Electrostimulation method and apparatus | Expired / Lapsed | 1975-10-20 | 1977-05-17 | 6 | Details |
| US4023565A | Circuit arrangement for the processing of physiological mea… | Expired / Lapsed | 1975-06-19 | 1977-05-17 | 6 | Details |
| US4021797A | Audio frequency power line control system | Expired / Lapsed | 1975-11-20 | 1977-05-03 | 10 | Details |
| US4021702A | Arrangement for detecting deficient operational capability … | Expired / Lapsed | 1975-06-05 | 1977-05-03 | 6 | Details |
| US4020206A | Thick-film circuit on a substrate with through-contacts bet… | Expired / Lapsed | 1975-05-30 | 1977-04-26 | 4 | Details |
| US4016869A | Signal collector system | Expired / Lapsed | 1975-10-30 | 1977-04-12 | 7 | Details |
| US4014503A | Method and apparatus for control of central spacing of trac… | Expired / Lapsed | 1975-03-31 | 1977-03-29 | 9 | Details |
| DE2127087C2 | I nterometer system | Expired / Lapsed | 1971-06-01 | 1977-03-03 | 0 | Details |
| US4010420A | Satellite communications transmission apparatus and method | Expired / Lapsed | 1975-01-13 | 1977-03-01 | 8 | Details |
| US4008947A | Electro-optical switch and modulator | Expired / Lapsed | 1975-07-28 | 1977-02-22 | 4 | Details |
| US4009342A | Circuit arrangement for communication facilities wherein tr… | Expired / Lapsed | 1974-04-18 | 1977-02-22 | 5 | Details |
| US4006302A | Switching arrangement for extending the receiver stop pulse… | Expired / Lapsed | 1976-02-13 | 1977-02-01 | 3 | Details |
| US4003629A | Coupling device for light waves | Expired / Lapsed | 1975-07-16 | 1977-01-18 | 20 | Details |
| US3999123A | Digital voltage level measuring device | Expired / Lapsed | 1975-02-13 | 1976-12-21 | 8 | Details |
| US3993059A | Device for ventilating a patient | Expired / Lapsed | 1974-11-13 | 1976-11-23 | 3 | Details |
| US3991748A | Circuit arrangement for the processing of physiological mea… | Expired / Lapsed | 1975-06-19 | 1976-11-16 | 7 | Details |
| US3990816A | Double acting piston pump for cryogenic medium | Expired / Lapsed | 1972-11-09 | 1976-11-09 | 10 | Details |
| US3987431A | Device for analogous representation of alpha-numerical sign… | Expired / Lapsed | 1973-10-19 | 1976-10-19 | 7 | Details |
| US3985281A | Method of producing an electrical conductor | Expired / Lapsed | 1972-06-09 | 1976-10-12 | 13 | Details |
| US3984829A | Circuit arrangement for converting analog signals into PCM … | Expired / Lapsed | 1974-06-25 | 1976-10-05 | 9 | Details |
| US3980392A | Mode transducer for optical wave guides | Expired / Lapsed | 1975-05-01 | 1976-09-14 | 8 | Details |
| US3975593A | Time division multiplex system and method for the transmiss… | Expired / Lapsed | 1974-12-02 | 1976-08-17 | 7 | Details |
| US3974388A | Patients' support installation for a tomographic X-ray appa… | Expired / Lapsed | 1975-08-08 | 1976-08-10 | 5 | Details |
| US3970184A | Mosaic printing head for typewriters or similar machines | Expired / Lapsed | 1974-08-01 | 1976-07-20 | 6 | Details |
| US3949397A | Identification - friend or foe system and method | Expired / Lapsed | 1974-10-21 | 1976-04-06 | 10 | Details |
| US3947746A | Single-ended dc-to-dc converter for the pulse control of th… | Expired / Lapsed | 1974-12-30 | 1976-03-30 | 26 | Details |
| US3945245A | Method and equipment for detecting deflective nuclear fuel … | Expired / Lapsed | 1974-03-18 | 1976-03-23 | 10 | Details |
| US3945020A | Liquid jet recorder | Expired / Lapsed | 1974-09-27 | 1976-03-16 | 4 | Details |
| US3944327A | Connection between two light conducting glass fibers | Expired / Lapsed | 1974-05-09 | 1976-03-16 | 6 | Details |
| US3942382A | Pressure transducer | Expired / Lapsed | 1974-10-16 | 1976-03-09 | 10 | Details |
| DE2016391C3 | Antenna arrangement for a radar round-robin search method f… | Expired / Lapsed | 1970-04-06 | 1976-02-19 | 0 | Details |
| US3938501A | Catheter for radiological renal aortography and selective a… | Expired / Lapsed | 1973-11-01 | 1976-02-17 | 6 | Details |
| US3937225A | Electrode adapted for implantation | Expired / Lapsed | 1974-02-04 | 1976-02-10 | 15 | Details |
| US3936140A | Arrangement for sequential data storage | Expired / Lapsed | 1974-07-31 | 1976-02-03 | 4 | Details |
| US3936685A | Rotor stack for a squirrel-cage, sliding rotor type motor | Expired / Lapsed | 1974-04-25 | 1976-02-03 | 7 | Details |
| US3923395A | Process for measuring the distance of and the speed compone… | Expired / Lapsed | 1974-05-15 | 1975-12-02 | 12 | Details |
| US3922505A | Echo canceller | Expired / Lapsed | 1973-08-09 | 1975-11-25 | 3 | Details |
| US3921113A | Single-conductor transformer for high-voltage installations | Expired / Lapsed | 1974-05-17 | 1975-11-18 | 11 | Details |
| US3918396A | Container for the production of semiconductor bodies | Expired / Lapsed | 1974-03-04 | 1975-11-11 | 7 | Details |
| US3916192A | X-ray diagnostic apparatus including a control panel having… | Expired / Lapsed | 1974-09-27 | 1975-10-28 | 9 | Details |
| US3913089A | Method and apparatus for generating a traveling display | Expired / Lapsed | 1973-07-27 | 1975-10-14 | 22 | Details |
| US3909688A | Method and apparatus for determining the initial rotor angl… | Expired / Lapsed | 1974-10-10 | 1975-09-30 | 7 | Details |
| US3908262A | Process for the production of a two-phase charge shift arra… | Expired / Lapsed | 1974-07-31 | 1975-09-30 | 6 | Details |
| US3906161A | Method for switching pulse code modulated signals using tim… | Expired / Lapsed | 1973-05-15 | 1975-09-16 | 2 | Details |
| US3901770A | Method for the production of microscopically small metal or… | Expired / Lapsed | 1974-01-25 | 1975-08-26 | 8 | Details |
| US3902069A | Servicing desk for an x-ray diagnosing device | Expired / Lapsed | 1973-12-28 | 1975-08-26 | 5 | Details |
| US3900952A | Electrical motor, particularly for driving dental handpiece… | Expired / Lapsed | 1973-11-19 | 1975-08-26 | 6 | Details |
| US3900867A | Interrogator-responsor system for different interrogator co… | Expired / Lapsed | 1973-02-09 | 1975-08-19 | 17 | Details |
| US3896360A | Method and apparatus for automatic forward feed programmed … | Expired / Lapsed | 1971-05-27 | 1975-07-22 | 3 | Details |
| US3894538A | Device for supplying medicines | Expired / Lapsed | 1973-08-06 | 1975-07-15 | 22 | Details |
| US3884154A | Propulsion arrangement equipped with a linear motor | Expired / Lapsed | 1972-12-18 | 1975-05-20 | 10 | Details |
| US3876998A | Arrangement for the inductive transmission of signals betwe… | Expired / Lapsed | 1973-09-20 | 1975-04-08 | 7 | Details |
| US3869603A | Storage unit test control device | Expired / Lapsed | 1973-07-23 | 1975-03-04 | 15 | Details |
| US3868656A | Regenerating circuit for binary signals in the form of a ke… | Expired / Lapsed | 1973-12-19 | 1975-02-25 | 8 | Details |
| US3857039A | X-ray device | Expired / Lapsed | 1973-01-03 | 1974-12-24 | 2 | Details |
| US3855561A | High frequency coil having an adjustable ferrite pot core | Expired / Lapsed | 1972-12-18 | 1974-12-17 | 6 | Details |
| US3848999A | Optical range measuring apparatus | Expired / Lapsed | 1971-10-26 | 1974-11-19 | 20 | Details |
| US3848116A | Data processing system having triplexed system units | Expired / Lapsed | 1973-01-05 | 1974-11-12 | 4 | Details |
| US3848254A | Method for locating vehicles | Expired / Lapsed | 1972-06-14 | 1974-11-12 | 23 | Details |
| US3844039A | Device for operating dental drilling machines | Expired / Lapsed | 1970-05-15 | 1974-10-29 | 5 | Details |
| US3842339A | Inverter for a load having a parallel resonant circuit | Expired / Lapsed | 1972-06-05 | 1974-10-15 | 7 | Details |
| US3835403A | Stepwise current adjusting system | Expired / Lapsed | 1972-09-18 | 1974-09-10 | 7 | Details |
| US3831043A | Piezoelectric oscillator arrangements | Expired / Lapsed | 1972-12-13 | 1974-08-20 | 5 | Details |
| US3826878A | Echo suppressor for a speech circuit in a four-wire transmi… | Expired / Lapsed | 1971-10-20 | 1974-07-30 | 5 | Details |
| US3824437A | Method for controlling asynchronous machines | Expired / Lapsed | 1972-03-23 | 1974-07-16 | 30 | Details |
| US3820903A | Device for producing a light plane | Expired / Lapsed | 1972-08-31 | 1974-06-28 | 10 | Details |
| US3818474A | Method of and apparatus for comparing desired and actual va… | Expired / Lapsed | 1971-03-08 | 1974-06-18 | 10 | Details |
| US3816656A | Teleprinter having a type cylinder which is adjustable by m… | Expired / Lapsed | 1972-10-31 | 1974-06-11 | 3 | Details |
| US3813648A | Apparatus and process for distribution of operation demands… | Expired / Lapsed | 1971-06-09 | 1974-05-28 | 6 | Details |
| US3811427A | Pressure receiver | Expired / Lapsed | 1972-09-07 | 1974-05-21 | 5 | Details |
| US3810125A | Integrated circuit electrical capacitor, particularly as a … | Expired / Lapsed | 1972-09-05 | 1974-05-07 | 7 | Details |
| US3801942A | Electric magnet with superconductive windings | Expired / Lapsed | 1973-03-23 | 1974-04-02 | 11 | Details |
| US3794973A | Method of error detection in program controlled telecommuni… | Expired / Lapsed | 1971-07-12 | 1974-02-26 | 4 | Details |
| US3790709A | Device for registering the instantaneous contact pressure o… | Expired / Lapsed | 1972-03-30 | 1974-02-05 | 12 | Details |
| US3790802A | X-ray film identification means | Expired / Lapsed | 1971-10-13 | 1974-02-05 | 6 | Details |
| US3786477A | Method and circuit arrangement for selectively depicting li… | Expired / Lapsed | 1972-05-24 | 1974-01-15 | 4 | Details |
| US3786277A | Circuit arrangement of mos transistors operating according … | Expired / Lapsed | 1972-05-01 | 1974-01-15 | 3 | Details |
| US3785683A | Connecting device for a catheter | Expired / Lapsed | 1972-01-26 | 1974-01-15 | 2 | Details |
| US3776616A | Coherent optical multichannel correlator | Expired / Lapsed | 1972-10-10 | 1973-12-04 | 8 | Details |
| US3771856A | Acousto-optical light diffraction device | Expired / Lapsed | 1972-07-14 | 1973-11-13 | 8 | Details |
| US3769466A | Telephone transmission system with echo suppressors | Expired / Lapsed | 1971-10-12 | 1973-10-30 | 4 | Details |
| US3766517A | Apparatus for measuring the speed of flowing media | Expired / Lapsed | 1972-01-10 | 1973-10-16 | 3 | Details |
| US3764422A | Method of producing thin layer electronic assembly | Expired / Lapsed | 1970-10-02 | 1973-10-09 | 0 | Details |
| US3761891A | Circuit arrangement for synchronizing transmitters and rece… | Expired / Lapsed | 1972-03-17 | 1973-09-25 | 7 | Details |
| US3761827A | Switching device for measuring electrical currents and volt… | Expired / Lapsed | 1971-11-22 | 1973-09-25 | 9 | Details |
| US3756335A | Automotive vehicle equipped with an alternating-current dri… | Expired / Lapsed | 1971-03-05 | 1973-09-04 | 12 | Details |
| US3747003A | Circuitry for demodulation of phase difference modulated da… | Expired / Lapsed | 1971-09-24 | 1973-07-17 | 8 | Details |
| US3746424A | Weather-resistant light transmitting isolating device | Expired / Lapsed | 1971-07-02 | 1973-07-17 | 6 | Details |
| US3744878A | Liquid crystal matrix with contrast enhancement | Expired / Lapsed | 1971-09-14 | 1973-07-10 | 10 | Details |
| US3741613A | Electromagnetic levitation guide | Expired / Lapsed | 1971-07-14 | 1973-06-26 | 9 | Details |
| US3728481A | Method for improving the accuracy of evaluating certain obj… | Expired / Lapsed | 1971-03-10 | 1973-04-17 | 14 | Details |
| US3725901A | Method of and apparatus for representing measured values on… | Expired / Lapsed | 1971-03-29 | 1973-04-03 | 16 | Details |
| US3725690A | Apparatus for evaluating a signal | Expired / Lapsed | 1970-12-11 | 1973-04-03 | 2 | Details |
| US3725899A | Data exhibiting screen device with a liquid-crystal layer, … | Expired / Lapsed | 1970-10-21 | 1973-04-03 | 13 | Details |
| US3723657A | Process for the transmission of binary coded signals using … | Expired / Lapsed | 1971-02-09 | 1973-03-27 | 2 | Details |
| US3720896A | Handle for high frequency electrodes | Expired / Lapsed | 1971-05-18 | 1973-03-13 | 6 | Details |
| US3717723A | Process and apparatus for the selection and interrogation o… | Expired / Lapsed | 1970-09-14 | 1973-02-20 | 14 | Details |
| US3715922A | Color pyrometer | Expired / Lapsed | 1970-09-21 | 1973-02-13 | 5 | Details |
| US3713009A | System for regulating the speed of an axially driven winder… | Expired / Lapsed | 1970-11-12 | 1973-01-23 | 0 | Details |
| US3711718A | Apparatus for detecting infrared radiation | Expired / Lapsed | 1970-12-02 | 1973-01-16 | 9 | Details |
| US3706851A | Means for evaluating and displaying certain image portions … | Expired / Lapsed | 1971-01-15 | 1972-12-19 | 15 | Details |
| US3705567A | Device for indiffussing dopants into semiconductor wafers | Expired / Lapsed | 1971-01-22 | 1972-12-12 | 6 | Details |
| US3702284A | Process of producing plated through-hole printed circuit bo… | Expired / Lapsed | 1969-10-16 | 1972-11-07 | 0 | Details |
| US3696277A | Start circuit for dc motor having a thyristor commutator | Expired / Lapsed | 1970-10-29 | 1972-10-03 | 11 | Details |
| US3689332A | Method of producing semiconductor circuits with conductance… | Expired / Lapsed | 1970-10-13 | 1972-09-05 | 0 | Details |
| US3688049A | Pcm time division multiplex process | Expired / Lapsed | 1970-08-26 | 1972-08-29 | 5 | Details |
| US3679974A | Device for measuring currents in a high voltage conductor i… | Expired / Lapsed | 1970-07-24 | 1972-07-25 | 16 | Details |
| US3676819A | Contact-free potentiometer | Expired / Lapsed | 1969-12-11 | 1972-07-11 | 14 | Details |
| US3675192A | Arrangement for establishing the speed of flow of blood | Expired / Lapsed | 1969-09-12 | 1972-07-04 | 4 | Details |
| US3673537A | Contactless switching device | Expired / Lapsed | 1970-09-22 | 1972-06-27 | 4 | Details |
| US3671840A | Method and apparatus for adaptive control of a turning mach… | Expired / Lapsed | 1970-09-23 | 1972-06-20 | 7 | Details |
| US3665594A | Method of joining a body of semiconductor material to a con… | Expired / Lapsed | 1969-10-06 | 1972-05-30 | 5 | Details |
| US3665395A | Method of data transmission | Expired / Lapsed | 1968-06-25 | 1972-05-23 | 4 | Details |
| US3662774A | Gas evacuator for breathing apparatus | Expired / Lapsed | 1970-08-31 | 1972-05-16 | 8 | Details |
| US3662263A | Apparatus for measuring current in high-voltage lines | Expired / Lapsed | 1970-10-28 | 1972-05-09 | 15 | Details |
| US3660062A | Method for crucible-free floating zone melting a crystallin… | Expired / Lapsed | 1969-02-26 | 1972-05-02 | 9 | Details |
| US3656106A | Evaluation circuit for the determination of information sen… | Expired / Lapsed | 1970-05-25 | 1972-04-11 | 3 | Details |
| US3654110A | Method of applying a coating by cathode sputtering | Expired / Lapsed | 1969-02-06 | 1972-04-04 | 0 | Details |
| US3652161A | Method and arrangement for measuring distances optically wi… | Expired / Lapsed | 1968-11-21 | 1972-03-28 | 19 | Details |
| US3650430A | Holder for mass-produced miniature electrical components, e… | Expired / Lapsed | 1969-08-27 | 1972-03-21 | 6 | Details |
| US3649840A | Radiation-sensitive device utilizing a laser beam to measur… | Expired / Lapsed | 1970-03-13 | 1972-03-14 | 10 | Details |
| US3642548A | Method of producing integrated circuits | Expired / Lapsed | 1970-07-15 | 1972-02-15 | 8 | Details |
| US3641351A | Laser device for controlled guidance of fabricating machine | Expired / Lapsed | 1969-10-15 | 1972-02-08 | 10 | Details |
| US3633568A | Automatically operating apparatus for measuring blood press… | Expired / Lapsed | 1969-09-23 | 1972-01-11 | 6 | Details |
| US3633588A | High-capacitance, low-inductance electrode for a short-wave… | Expired / Lapsed | 1969-07-14 | 1972-01-11 | 6 | Details |
| US3633086A | Closed-loop regulating system for a control circuit with a … | Expired / Lapsed | 1970-02-10 | 1972-01-04 | 14 | Details |
| US3631406A | Method of continuously exchanging data between a data proce… | Expired / Lapsed | 1969-11-19 | 1971-12-28 | 3 | Details |
| US3629577A | Method and apparatus for producing a stereo image by electr… | Expired / Lapsed | 1969-09-22 | 1971-12-21 | 16 | Details |
| US3619618A | Laser system for controlled guidance of mobile machine | Expired / Lapsed | 1970-03-06 | 1971-11-09 | 5 | Details |
| US3613308A | Device for regulating and determining changes of a co2 cont… | Expired / Lapsed | 1969-04-30 | 1971-10-19 | 0 | Details |
| US3604960A | Dental drill handle | Expired / Lapsed | 1970-01-26 | 1971-09-14 | 9 | Details |
| US3603869A | Device for producing direct voltage proportional to speed | Expired / Lapsed | 1970-05-15 | 1971-09-07 | 12 | Details |
| US3597645A | Liquid cooling system for stacks of stator laminations of e… | Expired / Lapsed | 1969-06-25 | 1971-08-03 | 8 | Details |
| US3593275A | Method and apparatus for the recognition of errors at the r… | Expired / Lapsed | 1968-07-09 | 1971-07-13 | 9 | Details |
| US3591722A | Circuit arrangement for data processing telephone exchange … | Expired / Lapsed | 1969-02-24 | 1971-07-06 | 4 | Details |
| US3573588A | Automatic feed control system for a machine | Expired / Lapsed | 1968-11-21 | 1971-04-06 | 14 | Details |
| US3549437A | Method of producing metal structures on semiconductor surfa… | Expired / Lapsed | 1967-02-10 | 1970-12-22 | 0 | Details |
| US3548380A | Method of forwarding information from a high speed data pro… | Expired / Lapsed | 1965-03-16 | 1970-12-15 | 0 | Details |
| US3544995A | Navigation method with the aid of satellites | Expired / Lapsed | 1968-07-15 | 1970-12-01 | 0 | Details |
| US3535450A | Multiplex transmission method | Expired / Lapsed | 1967-11-29 | 1970-10-20 | 0 | Details |
| US3534467A | Method of producing a semiconductor structural component in… | Expired / Lapsed | 1967-10-24 | 1970-10-20 | 0 | Details |
| US3531383A | Method of producing electric capacitors | Expired / Lapsed | 1966-08-05 | 1970-09-29 | 0 | Details |
| US3526771A | Apparatus for controlling the concentration of a liquid sol… | Expired / Lapsed | 1968-05-24 | 1970-09-01 | 0 | Details |
| US3526858A | Band filter of the n-path type | Expired / Lapsed | 1968-03-21 | 1970-09-01 | 0 | Details |
| US3518115A | Method of producing homogeneous oxide layers on semiconduct… | Expired / Lapsed | 1966-06-30 | 1970-06-30 | 0 | Details |
| US3517231A | Turbogenerator having rotating superconducting excitation w… | Expired / Lapsed | 1969-06-11 | 1970-06-23 | 0 | Details |
| US3514540A | Toll charge informing apparatus | Expired / Lapsed | 1965-09-09 | 1970-05-26 | 0 | Details |
| US3502517A | Method of indiffusing doping material from a gaseous phase,… | Expired / Lapsed | 1966-12-05 | 1970-03-24 | 0 | Details |
| US3500295A | Plug-and-socket connector particularly miniaturized electri… | Expired / Lapsed | 1967-09-22 | 1970-03-10 | 0 | Details |
| US3493683A | System for testing line circuits in a multiplex exchange sy… | Expired / Lapsed | 1965-09-23 | 1970-02-03 | 0 | Details |
| US3487546A | Hand drill for dentists | Expired / Lapsed | 1968-05-16 | 1970-01-06 | 0 | Details |
| US3483441A | Avalanche diode for generating oscillations under quasi-sta… | Expired / Lapsed | 1966-12-29 | 1969-12-09 | 0 | Details |
| US3472684A | Method and apparatus for producing epitaxial crystalline la… | Expired / Lapsed | 1966-01-26 | 1969-10-14 | 0 | Details |
| US3471711A | Shift register | Expired / Lapsed | 1966-12-12 | 1969-10-07 | 0 | Details |
| US3471722A | Noncontact electrical coupling semiconductor device | Expired / Lapsed | 1966-05-31 | 1969-10-07 | 0 | Details |
| US3470868A | Ultrasound diagnostic apparatus | Expired / Lapsed | 1965-06-07 | 1969-10-07 | 0 | Details |
| US3461384A | Arrangement for the transmission of measured variable produ… | Expired / Lapsed | 1967-01-23 | 1969-08-12 | 0 | Details |
| US3461394A | Multistage wide-band transistor amplifier | Expired / Lapsed | 1965-07-26 | 1969-08-12 | 0 | Details |
| US3451031A | Relay switching arrangement with magnetically controllable … | Expired / Lapsed | 1966-12-29 | 1969-06-17 | 0 | Details |
| US3448309A | Miniature electric motor | Expired / Lapsed | 1966-11-07 | 1969-06-03 | 0 | Details |
| US3440506A | Speed control circuit for electronically commutated dc motor | Expired / Lapsed | 1966-11-08 | 1969-04-22 | 2 | Details |
| US3440456A | Commutating arrangement for electric machines with supercon… | Expired / Lapsed | 1966-03-11 | 1969-04-22 | 0 | Details |
| US3433899A | Tdm system with means for crosstalk reduction by changing t… | Expired / Lapsed | 1964-09-23 | 1969-03-18 | 0 | Details |
| US3430000A | Circuit arrangement for testing lines in communication syst… | Expired / Lapsed | 1963-11-26 | 1969-02-25 | 0 | Details |
| US3427482A | Apparatus for generating an electric current in a supercond… | Expired / Lapsed | 1966-03-10 | 1969-02-11 | 2 | Details |
| US3426255A | Field effect transistor with a ferroelectric control gate l… | Expired / Lapsed | 1966-06-29 | 1969-02-04 | 0 | Details |
| US3426296A | Pulse modulated counting circuit with automatic stop means | Expired / Lapsed | 1965-10-22 | 1969-02-04 | 0 | Details |
| US3416111A | Superconductive spool with refrigerant-holding spool carrier | Expired / Lapsed | 1966-09-09 | 1968-12-10 | 0 | Details |
| US3411069A | Capacitive volage transformer and current transformer combi… | Expired / Lapsed | 1966-07-01 | 1968-11-12 | 2 | Details |
| US3407261A | Arrangement for the fastening and contacting of a laminated… | Expired / Lapsed | 1966-02-14 | 1968-10-22 | 0 | Details |
| US3379976A | Sweep generator with sweep linearity control | Expired / Lapsed | 1965-09-29 | 1968-04-23 | 0 | Details |
| US3377528A | Field-effect pressure transducer | Expired / Lapsed | 1965-02-26 | 1968-04-09 | 2 | Details |
| US3377182A | Method of producing monocrystalline semiconductor bodies | Expired / Lapsed | 1964-03-26 | 1968-04-09 | 0 | Details |
| US3377206A | Thermoelectric device with solderfree pressure contacts | Expired / Lapsed | 1962-11-27 | 1968-04-09 | 2 | Details |
| US3367733A | Apparatus for modulating laser radiation | Expired / Lapsed | 1963-10-23 | 1968-02-06 | 0 | Details |
| FR1511705A | Coupling field for switching systems | Expired / Lapsed | 1967-01-13 | 1968-02-02 | 0 | Details |
| US3366214A | Code comparison system for setting a type roller | Expired / Lapsed | 1965-10-23 | 1968-01-30 | 0 | Details |
| US3353126A | Resonant circuit tunable over a large frequency range | Expired / Lapsed | 1966-10-31 | 1967-11-14 | 0 | Details |