Siemens Corp
Siemens CoActive Patents
0
Total Holdings
217
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE19853965A1 | Bone contour and bone structure determination | Expired / Lapsed | 1998-11-23 | — | 0 | Details |
| DE19808183A1 | Calculation method for connection fees e.g. for subscriber … | Expired / Lapsed | 1998-02-26 | — | 0 | Details |
| DE3716594A1 | Circuit arrangement for telecommunications systems, in part… | Expired / Lapsed | 1987-05-18 | — | 0 | Details |
| DE3706463A1 | OPTICAL COUNTER-RECEIVER WITH AUTOMATIC SYMMETRIZATION | Expired / Lapsed | 1987-02-27 | — | 0 | Details |
| DE3705339A1 | CATHETER FOR TREATING VESSEL NARROWS | Expired / Lapsed | 1987-02-19 | — | 0 | Details |
| DE3613898A1 | COMMUNICATION SYSTEM WITH MULTIPLE SUBSCRIBER STATIONS ACCE… | Expired / Lapsed | 1986-04-24 | — | 0 | Details |
| DE3605704A1 | Adaptor for the additional fastening of special devices to … | Expired / Lapsed | 1986-02-21 | — | 0 | Details |
| DE3309832A1 | WIRELESS PHONE | Expired / Lapsed | 1983-03-18 | — | 0 | Details |
| DE3204428A1 | Control arrangement for displacing characters represented o… | Expired / Lapsed | 1982-02-09 | — | 0 | Details |
| DE3036947A1 | Coordinate measuring system for points on drawing or text -… | Expired / Lapsed | 1980-09-30 | — | 0 | Details |
| JPS568266A | Ink printer for multicolor print of recording carrier | Expired / Lapsed | 1980-06-26 | — | 0 | Details |
| DE2930632A1 | PYRODETECTOR | Expired / Lapsed | 1979-07-27 | — | 0 | Details |
| DE2929532A1 | Vehicle operating parameters monitoring circuit - has senso… | Expired / Lapsed | 1979-07-20 | — | 0 | Details |
| DE2926013A1 | METHOD FOR OUTPUTING A MESSAGE TEXT TO A RECEIVED PERSON | Expired / Lapsed | 1979-06-27 | — | 0 | Details |
| DE2923634A1 | GUIDANCE SYSTEM FOR INDIVIDUAL TRANSPORT | Expired / Lapsed | 1979-06-11 | — | 0 | Details |
| DE2922542A1 | Personal pulse rate monitor for hazardous occupation - give… | Expired / Lapsed | 1979-06-01 | — | 0 | Details |
| DE2918282A1 | Plastic catheter hose - with outer metal tape spiral for be… | Expired / Lapsed | 1979-05-07 | — | 0 | Details |
| DE2910073A1 | Vehicle radio receiver with travel instruction decoder - ha… | Expired / Lapsed | 1979-03-14 | — | 0 | Details |
| GB2014329A | Optical interferometers for use in angular velocity measure… | Expired / Lapsed | 1979-01-30 | — | 0 | Details |
| DE2903514A1 | Telephone exchange supplementary information storage - enab… | Expired / Lapsed | 1979-01-30 | — | 0 | Details |
| DE2902897A1 | Telephone exchange transmission system - has bucket chain a… | Expired / Lapsed | 1979-01-25 | — | 0 | Details |
| DE2855719A1 | DENTAL HANDPIECE ARRANGEMENT | Expired / Lapsed | 1978-12-22 | — | 0 | Details |
| DE2851825A1 | Integrated semiconductor switching circuit - has sixth MISF… | Expired / Lapsed | 1978-11-30 | — | 0 | Details |
| FR2410286A1 | ADAPTIVE TYPE PROCEDURE AND RADAR RECEIVER FOR THE SUPPRESS… | Expired / Lapsed | 1978-11-15 | — | 0 | Details |
| DE2847599A1 | Subscriber telephone switching system - has analog and digi… | Expired / Lapsed | 1978-11-02 | — | 0 | Details |
| DE2842594A1 | Ink supply system to typing head - has supply from stationa… | Expired / Lapsed | 1978-09-29 | — | 0 | Details |
| DE2838647A1 | METHOD FOR AUTOMATIC OR SEMI-AUTOMATIC DISTANCE MEASUREMENT… | Expired / Lapsed | 1978-09-05 | — | 0 | Details |
| DE2837856A1 | Telephone call holding and routing system for PBX - stores … | Expired / Lapsed | 1978-08-30 | — | 0 | Details |
| GB2002995A | Establishing a connection via a telephone network | Expired / Lapsed | 1978-08-08 | — | 0 | Details |
| DE2830281A1 | Telephone exchange graded service system - sends caller aud… | Expired / Lapsed | 1978-07-10 | — | 0 | Details |
| DE2829577A1 | METHOD AND DEVICE FOR LOCATING VEHICLE VEHICLES | Expired / Lapsed | 1978-07-05 | — | 0 | Details |
| DE2828602B1 | Method for transmitting data in a synchronous data network | Expired / Lapsed | 1978-06-29 | — | 0 | Details |
| DE2827715A1 | METHOD FOR THE AUTOMATIC LOCATION OF FLAT-TIED VEHICLES | Expired / Lapsed | 1978-06-23 | — | 0 | Details |
| DE2823931A1 | Telephone subscriber's appts. using PPM IR radiation - tran… | Expired / Lapsed | 1978-05-31 | — | 0 | Details |
| DE2813915A1 | ARRANGEMENT FOR FOCUSING THE IMAGE OF AN OBJECTIVE ON A PIC… | Expired / Lapsed | 1978-03-31 | — | 0 | Details |
| DE2813914A1 | ARRANGEMENT FOR FOCUSING THE IMAGE OF AN OBJECTIVE ON A PIC… | Expired / Lapsed | 1978-03-31 | — | 0 | Details |
| DE2813913A1 | ARRANGEMENT FOR MEASURING THE DISTANCE OR SPEED OF AN OBJECT | Expired / Lapsed | 1978-03-31 | — | 0 | Details |
| FR2382225A1 | ADAPTER MOUNTED IN THE SKULL OF A PATIENT AND INTENDED TO R… | Expired / Lapsed | 1978-02-22 | — | 0 | Details |
| DE2806234A1 | Telephone subscriber station with calling number store - ha… | Expired / Lapsed | 1978-02-14 | — | 0 | Details |
| JPS5384604A | Information transmitting system for stationary and movable … | Expired / Lapsed | 1977-12-27 | — | 0 | Details |
| DE2747388A1 | Wireless closed loop alarm system - uses digital signals wi… | Expired / Lapsed | 1977-10-21 | — | 0 | Details |
| DE2739863A1 | PROCEDURE FOR MEASURING GREEN TIME IN TRAFFIC-DEPENDENT STE… | Expired / Lapsed | 1977-09-05 | — | 0 | Details |
| DE2735195A1 | SPREAD-FREE LIGHT VALVE | Expired / Lapsed | 1977-08-04 | — | 0 | Details |
| DE2732981B1 | Method for a centrally controlled telecommunications system… | Expired / Lapsed | 1977-07-21 | — | 0 | Details |
| DE2725250A1 | Wired TV system with switchable subscriber connections - ha… | Expired / Lapsed | 1977-06-03 | — | 0 | Details |
| DE2721752A1 | DEVICE FOR ADDING DRUGS TO THE HUMAN OR ANIMAL BODY | Expired / Lapsed | 1977-05-13 | — | 0 | Details |
| DE2717535A1 | Forked optical light guide branch mfr. - by glow discharge … | Expired / Lapsed | 1977-04-20 | — | 0 | Details |
| FR2345169A1 | CARBON ELECTRODE FOR IMPLANTATION | Expired / Lapsed | 1977-03-25 | — | 0 | Details |
| DE2712320A1 | X-RAY DIAGNOSTIC DEVICE FOR X-RAY SLAT IMAGES | Expired / Lapsed | 1977-03-21 | — | 0 | Details |
| DE2709855A1 | TELEPHONE AND DATA NETWORK FOR MOBILE PARTICIPANTS | Expired / Lapsed | 1977-03-07 | — | 0 | Details |
| FR2339869A1 | TARGET TRACKING DEVICE | Expired / Lapsed | 1976-12-31 | — | 0 | Details |
| DE2659635A1 | PROCEDURE FOR DIGITAL INFORMATION TRANSFER VIA RADIO | Expired / Lapsed | 1976-12-30 | — | 0 | Details |
| DE2659615A1 | TELEPHONE AND DATA NETWORK FOR MOBILE PARTICIPANTS | Expired / Lapsed | 1976-12-30 | — | 0 | Details |
| DE2659569B1 | Procedure and arrangement for transmitting information by r… | Expired / Lapsed | 1976-12-30 | — | 0 | Details |
| DE2659673A1 | Portable radio telephone unit - has self-contained batterie… | Expired / Lapsed | 1976-12-30 | — | 0 | Details |
| DE2643918A1 | UNIT FOR ULTRASONIC SCANNING | Expired / Lapsed | 1976-09-29 | — | 0 | Details |
| DE2643947A1 | N-Channel storage FET with one or several gates - has condu… | Expired / Lapsed | 1976-09-29 | — | 0 | Details |
| DE2643987A1 | N-Channel storage FET with one or more gates - has semicond… | Expired / Lapsed | 1976-09-29 | — | 0 | Details |
| DE2641489A1 | PROCEDURE FOR TRANSFERRING DIFFERENT ANALOGUE MEASURED VALU… | Expired / Lapsed | 1976-09-15 | — | 0 | Details |
| DE2637877A1 | Automatic test equipment for printed circuit boards - has c… | Expired / Lapsed | 1976-08-23 | — | 0 | Details |
| DE2624574A1 | Two speed control action regulator - uses pulse width modul… | Expired / Lapsed | 1976-06-01 | — | 0 | Details |
| DE2620758A1 | Large circuit board cassette - swings out from housing fram… | Expired / Lapsed | 1976-05-11 | — | 0 | Details |
| DE2601272A1 | Liq. crystal display with memory characteristic - has matri… | Expired / Lapsed | 1976-01-15 | — | 0 | Details |
| DE2554637A1 | PCM infrared remote control for TV receiver - saves power b… | Expired / Lapsed | 1975-12-04 | — | 0 | Details |
| DE2549898A1 | Industrial robot with grab and control system - has control… | Expired / Lapsed | 1975-11-06 | — | 0 | Details |
| DE2543451A1 | PIEZOELECTRICALLY OPERATED PRINT HEAD FOR INK MOSAIC PEN DE… | Expired / Lapsed | 1975-09-29 | — | 0 | Details |
| DE2543420A1 | PIEZOELECTRIC DRIVE ELEMENT FOR WRITING HEADS IN INK MOSAIC… | Expired / Lapsed | 1975-09-29 | — | 0 | Details |
| DE2543140A1 | High strength braze joints between ceramic and metals - by … | Expired / Lapsed | 1975-09-26 | — | 0 | Details |
| DE2559448A1 | Connector for single light conductors - consists of two plu… | Expired / Lapsed | 1975-09-24 | — | 0 | Details |
| DE2542590A1 | DISPLAY DEVICE | Expired / Lapsed | 1975-09-24 | — | 0 | Details |
| DE2542201A1 | Sheets for storing video signals on magnetic layers - appli… | Expired / Lapsed | 1975-09-22 | — | 0 | Details |
| DE2541694A1 | Electric motor with axial airgap - has annular armature sta… | Expired / Lapsed | 1975-09-18 | — | 0 | Details |
| DE2539241A1 | Automated centrallized radio monitoring and control system … | Expired / Lapsed | 1975-09-03 | — | 0 | Details |
| DE2534974B1 | ULTRASONIC IMAGE DEVICE WORKING IN ACCORDANCE WITH THE PULS… | Expired / Lapsed | 1975-08-05 | — | 0 | Details |
| GB1467574A | Measuring volumetric flow rate | Expired / Lapsed | 1975-07-21 | — | 0 | Details |
| DE2529112A1 | ULTRASONIC APPLICATOR FOR ULTRASONIC SCANNING OF BODIES | Expired / Lapsed | 1975-06-30 | — | 0 | Details |
| DE2522759A1 | Numerical data signal transmission via coupling device - im… | Expired / Lapsed | 1975-05-22 | — | 0 | Details |
| DE2522343A1 | ARRANGEMENT FOR CONTROLLING AND / OR REGULATING PROCEDURES | Expired / Lapsed | 1975-05-20 | — | 0 | Details |
| DE2517129B1 | Photoelectric pulse pick-up with fiber optics | Expired / Lapsed | 1975-04-18 | — | 0 | Details |
| DE2516640A1 | Applicator/extractor for introducing or removing substances… | Expired / Lapsed | 1975-04-16 | — | 0 | Details |
| DE2509624A1 | Tubular probe for medical use - collapsible for part of its… | Expired / Lapsed | 1975-03-05 | — | 0 | Details |
| DE2460573A1 | DEVICE FOR INKJET PEN FOR SUPPLYING PIEZOELECTRICALLY OPERA… | Expired / Lapsed | 1974-12-20 | — | 0 | Details |
| GB1482996A | Optical coupling means | Expired / Lapsed | 1974-11-25 | — | 0 | Details |
| DE2453846B1 | ARRANGEMENT FOR FAST DETECTION OF FLIGHT MANEUVERS | Expired / Lapsed | 1974-11-13 | — | 0 | Details |
| DE2451424A1 | Automatic feed programmer for medicinal infusions - is manu… | Expired / Lapsed | 1974-10-29 | — | 0 | Details |
| DE2443102A1 | Housing for communication and measurement equipment - is pi… | Expired / Lapsed | 1974-09-09 | — | 0 | Details |
| DE2442494A1 | MAGNETO-OPTICAL TRANSDUCER | Expired / Lapsed | 1974-09-05 | — | 0 | Details |
| DE2441668A1 | Cable components producing tight seal - using heat shrinkin… | Expired / Lapsed | 1974-08-30 | — | 0 | Details |
| GB1477688A | Magneto-optical current measuring devices | Expired / Lapsed | 1974-08-07 | — | 0 | Details |
| GB1480781A | Data processing system | Expired / Lapsed | 1974-07-26 | — | 0 | Details |
| DE2431472A1 | DENTAL HANDPIECE WITH MICRO ELECTRIC MOTOR | Expired / Lapsed | 1974-07-01 | — | 0 | Details |
| DE2428886A1 | BIPOLAR CUTTING ELECTRODE FOR HIGH FREQUENCY SURGERY | Expired / Lapsed | 1974-06-14 | — | 0 | Details |
| DE2427118A1 | Adapter for testing printed circuit boards - has slotted co… | Expired / Lapsed | 1974-06-05 | — | 0 | Details |
| DE2426608B1 | Method and circuit arrangement for operating an indirectly … | Expired / Lapsed | 1974-05-31 | — | 0 | Details |
| DE2425724A1 | PUNCTURE CANNULA | Expired / Lapsed | 1974-05-28 | — | 0 | Details |
| DE2417972A1 | Switching arrangement for dynamic MOS memory module - has d… | Expired / Lapsed | 1974-04-11 | — | 0 | Details |
| GB1444819A | Fixed word storage arrangement with interpolation facilities | Expired / Lapsed | 1973-12-19 | — | 0 | Details |
| DE2353078A1 | CATHETERS FOR ROENTGENOLOGICAL RENAL AORTOGRAPHY AND SELECT… | Expired / Lapsed | 1973-10-23 | — | 0 | Details |
| DE2349453A1 | LIQUID JET RECORDER | Expired / Lapsed | 1973-10-02 | — | 0 | Details |
| DE2349239A1 | LIQUID JET RECORDER | Expired / Lapsed | 1973-10-01 | — | 0 | Details |
| GB1416940A | Magnetic field-sensing apparatus | Expired / Lapsed | 1973-08-21 | — | 0 | Details |
| DE2340020A1 | Branching-off of light transmitting fibres - with method of… | Expired / Lapsed | 1973-08-07 | — | 0 | Details |
| DE2320147A1 | CROSS-DIVIDED CABLE SET WITH PLUG SEAL FOR THE CABLE ENTRIES | Expired / Lapsed | 1973-04-19 | — | 0 | Details |
| DE2319798A1 | PICTURE TELEPHONE | Expired / Lapsed | 1973-04-18 | — | 0 | Details |
| DE2305935A1 | DISPLAY DEVICE | Expired / Lapsed | 1973-02-07 | — | 0 | Details |
| DE2305501A1 | ULTRASONIC PROBE INSERTED INTO THE BODY OF A PATIENT | Expired / Lapsed | 1973-02-05 | — | 0 | Details |
| DE2303585A1 | ARRANGEMENT FOR TRANSMISSION OF DC VOLTAGE AND / OR DC CURR… | Expired / Lapsed | 1973-01-23 | — | 0 | Details |
| DE2264433A1 | DEVICE FOR COLORIMETRIC EXAMINATION OF SUBSTANCES FOR SIGNI… | Expired / Lapsed | 1972-11-11 | — | 0 | Details |
| DE2253181A1 | CROSS RAIL DISTRIBUTORS IN THICK-FILM TECHNOLOGY | Expired / Lapsed | 1972-10-30 | — | 0 | Details |
| GB1398166A | Signal conductor for an electromedical measuring apparatus | Expired / Lapsed | 1972-08-24 | — | 0 | Details |
| DE2237852A1 | PROCESS AND DEVICE FOR THE AIR-SIDE CONTROL OF VENTILATION … | Expired / Lapsed | 1972-08-01 | — | 0 | Details |
| GB1383594A | Device for monitoring a patient who is confined to bed | Expired / Lapsed | 1972-02-09 | — | 0 | Details |
| DE2202989A1 | FOCUSED ULTRASONIC CONVERTER | Expired / Lapsed | 1972-01-21 | — | 0 | Details |
| DE2157821A1 | COUNTING AND MONITORING SYSTEM FOR PERSONS, VEHICLES OR THE… | Expired / Lapsed | 1971-11-22 | — | 0 | Details |
| DE2166972A1 | Satellite transmission system for TV and radio - supplies c… | Expired / Lapsed | 1971-11-05 | — | 0 | Details |
| DE2153224A1 | ELECTROMAGNET SYSTEM | Expired / Lapsed | 1971-10-26 | — | 0 | Details |
| DE2148891A1 | CIRCUIT ARRANGEMENT FOR CHANGING THE DIRECTION OF CURRENT I… | Expired / Lapsed | 1971-09-30 | — | 0 | Details |
| DE2140994A1 | Body cavity probes - non-inflammatory and easy to manipulat… | Expired / Lapsed | 1971-08-16 | — | 0 | Details |
| DE2137846A1 | PROCEDURES FOR THE LOCATION OF VEHICLES | Expired / Lapsed | 1971-07-28 | — | 0 | Details |
| GB1344321A | Controlling delivery of gas via a supply duct | Expired / Lapsed | 1971-04-19 | — | 0 | Details |
| GB1313486A | Oesophagus probe | Expired / Lapsed | 1971-04-19 | — | 0 | Details |
| GB1346310A | Inverters | Expired / Lapsed | 1971-04-19 | — | 0 | Details |
| DE2118718A1 | Device for monitoring the cardiac and respiratory activity … | Expired / Lapsed | 1971-04-17 | — | 0 | Details |
| DE2117698A1 | Procedure and device for radiation diagnostics | Expired / Lapsed | 1971-04-10 | — | 0 | Details |
| DE2106275A1 | Device for monitoring bedridden patients | Expired / Lapsed | 1971-02-10 | — | 0 | Details |
| DE2063351A1 | Brushless DC motor with permanent magnet rotor and Hall gen… | Expired / Lapsed | 1970-12-23 | — | 0 | Details |
| DE2052086A1 | Device for locating objects | Expired / Lapsed | 1970-10-23 | — | 0 | Details |
| DE2044078A1 | High frequency surgical device | Expired / Lapsed | 1970-09-05 | — | 0 | Details |
| DE2039453A1 | Device for the graphic representation of flowing media thro… | Expired / Lapsed | 1970-08-08 | — | 0 | Details |
| DE2034850A1 | Measuring device for currents in high voltage conductors | Expired / Lapsed | 1970-07-07 | — | 0 | Details |
| DE2005934A1 | Medical device group | Expired / Lapsed | 1970-02-10 | — | 0 | Details |
| DE2005570A1 | Strip or band-shaped, made of electrical material shaft gui… | Expired / Lapsed | 1970-02-06 | — | 0 | Details |
| DE1946247A1 | Inquiry-response system for various inquiry codes | Expired / Lapsed | 1969-09-12 | — | 0 | Details |
| DE1943021A1 | Device for measuring the flow according to the differential… | Expired / Lapsed | 1969-08-23 | — | 0 | Details |
| DE1915048A1 | Process for image conversion of infrared radiation and devi… | Expired / Lapsed | 1969-03-25 | — | 0 | Details |
| DE1906865A1 | Device for limiting the jolt when starting and braking elec… | Expired / Lapsed | 1969-02-12 | — | 0 | Details |
| DE1808442A1 | Control of a motor vehicle along a conductor laid in the ro… | Expired / Lapsed | 1968-11-12 | — | 0 | Details |
| DE1764414A1 | X-ray television equipment combined with an X-ray layer dev… | Expired / Lapsed | 1968-06-01 | — | 0 | Details |
| DE1764192A1 | Mobile resuscitation unit designed as a car | Expired / Lapsed | 1968-04-20 | — | 0 | Details |
| DE1549067A1 | Method for generating binary series of numbers | Expired / Lapsed | 1967-12-18 | — | 0 | Details |
| DE1591518B1 | Radio positioning process using satellites | Expired / Lapsed | 1967-07-21 | — | 0 | Details |
| DE1591511A1 | System for automatic wireless transmission of multi-digit i… | Expired / Lapsed | 1967-07-07 | — | 0 | Details |
| DE1290973B | Superconducting storage | Expired / Lapsed | 1967-05-23 | — | 0 | Details |
| DE1541595A1 | Broadband directional antenna | Expired / Lapsed | 1966-09-29 | — | 0 | Details |
| DE1514411A1 | Molecular Amplifiers | Expired / Lapsed | 1965-03-09 | — | 0 | Details |
| DE1429670A1 | Support rails, in particular frame cross members for slide-… | Expired / Lapsed | 1964-09-25 | — | 0 | Details |
| DE1215228B | Auxiliary carrier for holding electronic components in mini… | Expired / Lapsed | 1963-09-18 | — | 0 | Details |
| DE1238998B | Arrangement for recording the rotor speed and / or position… | Expired / Lapsed | 1963-08-01 | — | 0 | Details |
| DE1233038B | Electrical device in which the electrical connections betwe… | Expired / Lapsed | 1962-04-27 | — | 0 | Details |
| DE1160092B | Electrical overcurrent protection device | Expired / Lapsed | 1962-01-31 | — | 0 | Details |
| DE1163008B | Screw press for evenly wrapping an elongated strand, in par… | Expired / Lapsed | 1961-09-29 | — | 0 | Details |
| DE1269399B | Arrangement for measuring the speed of asynchronous three-p… | Expired / Lapsed | 1961-06-28 | — | 0 | Details |
| DE1156510B | Semiconductor component with an essentially monocrystalline… | Expired / Lapsed | 1961-05-09 | — | 0 | Details |
| DE1141007B | Electrical controller for third or higher order controlled … | Expired / Lapsed | 1960-09-13 | — | 0 | Details |
| DE1152643B | Centrally controlled traffic light system for road traffic | Expired / Lapsed | 1960-08-26 | — | 0 | Details |
| DE1108111B | Arrangement to secure against theft | Expired / Lapsed | 1960-05-20 | — | 0 | Details |
| DE1111677B | Circuit arrangement for telecommunications systems, in whic… | Expired / Lapsed | 1960-04-04 | — | 0 | Details |
| DE1105526B | Method for manufacturing a semiconductor device | Expired / Lapsed | 1959-12-29 | — | 0 | Details |
| DE1163584B | Device for the automatic determination of the smallest box … | Expired / Lapsed | 1959-12-10 | — | 0 | Details |
| DE1100802B | Method for the determination of faults or inhomogeneities i… | Expired / Lapsed | 1959-08-19 | — | 0 | Details |
| DE1093821B | Astable multivibrator with breakover transistors | Expired / Lapsed | 1959-08-12 | — | 0 | Details |
| DE1137143B | Method for reproducing characters made up of raster points … | Expired / Lapsed | 1959-07-31 | — | 0 | Details |
| DE1076766B | Electrical apparatus having a plurality of panel assemblies… | Expired / Lapsed | 1959-03-06 | — | 0 | Details |
| DE1089838B | Contact spring in a holder for contacting an insulating mat… | Expired / Lapsed | 1959-02-03 | — | 0 | Details |
| DE1076824B | Surface rectifier with a semiconductor element, which is fa… | Expired / Lapsed | 1958-07-23 | — | 0 | Details |
| DE1080646B | Method for marking the insulation made of plastic for elect… | Expired / Lapsed | 1957-12-06 | — | 0 | Details |
| DE1096095B | Piezoelectric flexural oscillator made of polycrystalline, … | Expired / Lapsed | 1957-08-22 | — | 0 | Details |
| DE1116447B | Circuit arrangement for generating a digital, k-stage rando… | Expired / Lapsed | 1957-03-27 | — | 0 | Details |
| DE1028162B | Scanning method for a television transmission system | Expired / Lapsed | 1956-11-10 | — | 0 | Details |
| DE1027338B | Nuclear reactor with two pressure zones | Expired / Lapsed | 1956-10-06 | — | 0 | Details |
| DE1008697B | Washing machine for fully automatic execution of the washin… | Expired / Lapsed | 1955-06-30 | — | 0 | Details |
| DE1029910B | Electrical pressurized contact arrangement | Expired / Lapsed | 1954-11-22 | — | 0 | Details |
| DE1055118B | Circuit arrangement for working according to the reflection… | Expired / Lapsed | 1954-08-02 | — | 0 | Details |
| DE1011539B | Electrode steam boiler with separately arranged receptacle | Expired / Lapsed | 1954-07-20 | — | 0 | Details |
| DE1013880B | Electrical measuring device | Expired / Lapsed | 1954-04-05 | — | 0 | Details |
| DE1010156B | Apparent consumption measuring arrangement, especially coun… | Expired / Lapsed | 1954-03-08 | — | 0 | Details |
| DE1000853B | Railway safety system with preferably automatic reporting o… | Expired / Lapsed | 1954-01-28 | — | 0 | Details |
| DE1003147B | Device for atomizing liquids | Expired / Lapsed | 1953-08-19 | — | 0 | Details |
| US6546555B1 | System for hypervideo filtering based on end-user payment i… | Expired / Lapsed | 1998-07-23 | 2003-04-08 | 18 | Details |
| US6505342B1 | System and method for functional testing of distributed, co… | Expired / Lapsed | 2000-05-31 | 2003-01-07 | 25 | Details |
| US4466098A | Cross channel circuit for an electronic system having two o… | Expired / Lapsed | 1982-06-11 | 1984-08-14 | 10 | Details |
| USD269675S | Telephone busy lamp field console | Expired / Lapsed | 1980-10-23 | 1983-07-12 | 1 | Details |
| USD269613S | Telephone with function keys | Expired / Lapsed | 1980-10-23 | 1983-07-05 | 1 | Details |
| USD269178S | Telephone with display | Expired / Lapsed | 1980-10-23 | 1983-05-31 | 1 | Details |
| USD269089S | Small telephone keyset with display | Expired / Lapsed | 1980-10-23 | 1983-05-24 | 1 | Details |
| US4375584A | Modular telephone keyset structure | Expired / Lapsed | 1980-10-06 | 1983-03-01 | 24 | Details |
| USD267553S | Engine analyzer | Expired / Lapsed | 1979-05-29 | 1983-01-11 | 1 | Details |
| US4356396A | Fiber optical measuring device with compensating properties | Expired / Lapsed | 1980-12-17 | 1982-10-26 | 14 | Details |
| US4353056A | Capacitive fingerprint sensor | Expired / Lapsed | 1980-06-05 | 1982-10-05 | 5 | Details |
| USD257719S | Face plate for a fluid flow meter | Expired / Lapsed | 1979-05-11 | 1980-12-30 | 1 | Details |
| US3887876A | Optical intermediate amplifier for a communication system | Expired / Lapsed | 1973-09-21 | 1975-06-03 | 2 | Details |
| FR2076891A5 | FR2076891A5 - - Google Patents | Expired / Lapsed | 1971-01-22 | 1971-10-15 | 0 | Details |
| DE972791C | Surface roughness measuring device | Expired / Lapsed | 1952-08-06 | 1959-09-24 | 0 | Details |
| DE962870C | Method and device for the treatment of moist material, in p… | Expired / Lapsed | 1951-12-21 | 1957-04-25 | 0 | Details |
| DE962296C | Piezoelectric vibration generator, especially for sounding … | Expired / Lapsed | 1941-08-16 | 1957-04-18 | 0 | Details |
| DE940481C | Circuit element for the optical display of the operating ti… | Expired / Lapsed | 1952-03-02 | 1956-03-22 | 0 | Details |
| DE938499C | Process and devices for the dielectric production of welded… | Expired / Lapsed | 1951-02-13 | 1956-02-02 | 0 | Details |
| DE857992C | Magnetic lens system with at least three lens columns lying… | Expired / Lapsed | 1948-10-02 | 1956-01-12 | 0 | Details |
| DE927217C | Frame or frame-like arrangement | Expired / Lapsed | 1952-07-13 | 1955-05-02 | 0 | Details |
| DE904071C | Electric machine with alternating current supply | Expired / Lapsed | 1943-07-18 | 1954-02-15 | 0 | Details |
| DE901787C | Railway safety system with preferably automatic reporting o… | Expired / Lapsed | 1951-09-16 | 1954-01-14 | 0 | Details |
| DE898639C | Circuit arrangement for monitoring the anode current of tub… | Expired / Lapsed | 1942-05-16 | 1953-12-03 | 0 | Details |
| DE896068C | Arrangement for limiting the amplitude | Expired / Lapsed | 1950-10-18 | 1953-11-09 | 0 | Details |
| DE895022C | Commuter machine | Expired / Lapsed | 1942-12-29 | 1953-10-29 | 0 | Details |
| DE894421C | Arrangement for diathermic irradiation | Expired / Lapsed | 1948-10-03 | 1953-10-26 | 0 | Details |
| DE892950C | Radiant heating with reflector and electric heating coils | Expired / Lapsed | 1939-12-10 | 1953-10-12 | 0 | Details |
| DE890375C | Electric time circuit | Expired / Lapsed | 1944-09-21 | 1953-09-17 | 0 | Details |
| DE888133C | Circuit arrangement for measuring the phase position of two… | Expired / Lapsed | 1944-10-31 | 1953-08-31 | 0 | Details |
| DE884516C | Electrostatic microphone | Expired / Lapsed | 1940-12-10 | 1953-07-27 | 0 | Details |
| DE879929C | Piezoelectric transducer | Expired / Lapsed | 1951-05-16 | 1953-06-18 | 0 | Details |
| DE878395C | Process for the production of electrical resistors | Expired / Lapsed | 1943-04-01 | 1953-06-01 | 0 | Details |
| DE856314C | Crystal transmitter | Expired / Lapsed | 1948-11-24 | 1952-11-20 | 0 | Details |
| DE844481C | AC small motor for driving clocks, tariff devices or the li… | Expired / Lapsed | 1950-08-09 | 1952-07-21 | 0 | Details |
| DE746982C | Bearings for rotating parts on electric motors | Expired / Lapsed | 1935-04-19 | 1944-09-01 | 0 | Details |
| DE731095C | Photoelectric polarization examination device | Expired / Lapsed | 1940-02-21 | 1943-02-01 | 0 | Details |
| DE724604C | Device and method for quickly finding and displaying the re… | Expired / Lapsed | 1935-01-13 | 1942-08-31 | 0 | Details |
| DE720629C | Method and device for soldering objects made of aluminum wi… | Expired / Lapsed | 1938-05-28 | 1942-05-11 | 0 | Details |