Licentia Patent Verwaltungs GmbH
Licentia PActive Patents
0
Total Holdings
113
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE3636258A1 | Information system | Expired / Lapsed | 1986-10-24 | — | 0 | Details |
| EP0048903A1 | Security system for preventing unauthorized manipulations d… | Expired / Lapsed | 1981-09-18 | — | 0 | Details |
| FR2462834A1 | BROADCASTING SYSTEM FOR ROAD TRAFFIC | Expired / Lapsed | 1980-07-25 | — | 0 | Details |
| DE2855337A1 | Double refraction compensation in faraday cylinder optical … | Expired / Lapsed | 1978-12-21 | — | 0 | Details |
| DE2853317A1 | Road vehicle location control system - uses radio transmitt… | Expired / Lapsed | 1978-12-09 | — | 0 | Details |
| FR2390786A1 | SIGNAL TRANSMISSION PROCESS AND EQUIPMENT | Expired / Lapsed | 1978-05-12 | — | 0 | Details |
| DE2749578A1 | Automatic optical positioning system for chute cover - has … | Expired / Lapsed | 1977-11-05 | — | 0 | Details |
| DE2736217A1 | Automatic identification of vehicles - is performed on rail… | Expired / Lapsed | 1977-08-09 | — | 0 | Details |
| DE2651836A1 | Radio communications system with fixed and mobile stations … | Expired / Lapsed | 1976-11-13 | — | 0 | Details |
| DE2641282A1 | SYSTEM FOR DETECTING A TRAFFIC EMERGENCY IN AN EMERGENCY CE… | Expired / Lapsed | 1976-09-14 | — | 0 | Details |
| GB1533935A | Tracking devices | Expired / Lapsed | 1976-01-19 | — | 0 | Details |
| DE2551664A1 | Compatible TV TELEPHONE SYSTEM - has subscriber stations wi… | Expired / Lapsed | 1975-11-18 | — | 0 | Details |
| DE2549021A1 | Filter suppressing AM noise in angle modulated signals - ha… | Expired / Lapsed | 1975-11-03 | — | 0 | Details |
| DE2548161A1 | Route guidance system for car - continuously compares progr… | Expired / Lapsed | 1975-10-24 | — | 0 | Details |
| DE2537683A1 | Highway radio telephone system - makes duplex signalling ch… | Expired / Lapsed | 1975-08-23 | — | 0 | Details |
| DE2536452A1 | Car radio telephone subscriber search system - enables call… | Expired / Lapsed | 1975-08-16 | — | 0 | Details |
| GB1493992A | Coupling arrangement for connecting dielectric light wavegu… | Expired / Lapsed | 1975-05-01 | — | 0 | Details |
| DE2508201A1 | PROCEDURE FOR CONTACTLESS INPUT AND OUTPUT CONTROL OF TRANS… | Expired / Lapsed | 1975-02-26 | — | 0 | Details |
| DE2446152A1 | ADJUSTABLE COUPLING ARRANGEMENT FOR CONNECTING AND ALIGNMEN… | Expired / Lapsed | 1974-09-27 | — | 0 | Details |
| DE2332822A1 | PROCESS FOR MANUFACTURING DIFFUSED, CONTACTED AND SURFACE-P… | Expired / Lapsed | 1973-06-28 | — | 0 | Details |
| FR2177904A1 | FR2177904A1 - - Google Patents | Expired / Lapsed | 1973-03-23 | — | 0 | Details |
| DE2308070A1 | METHOD OF MANUFACTURING AN ELECTROPHOTOGRAPHIC RECORDING MA… | Expired / Lapsed | 1973-02-19 | — | 0 | Details |
| DE2143874A1 | SYSTEM FOR CENTRAL MONITORING OF THE TIMETABLE OF BUSES OR … | Expired / Lapsed | 1971-09-02 | — | 0 | Details |
| DE2137092B1 | Nuclear magnetic resonance surveyor | Expired / Lapsed | 1971-07-24 | — | 0 | Details |
| DE2046974A1 | Method for reducing the bandwidth of message signals | Expired / Lapsed | 1970-09-24 | — | 0 | Details |
| DE2045392A1 | Digital data compression system for strongly correlated sig… | Expired / Lapsed | 1970-09-15 | — | 0 | Details |
| DE2041095A1 | Steering system for the driverless control of a road vehicle | Expired / Lapsed | 1970-08-19 | — | 0 | Details |
| DE2038351B2 | DE2038351B2 - - Google Patents | Expired / Lapsed | 1970-08-01 | — | 0 | Details |
| DE1638439A1 | Compressor drive | Expired / Lapsed | 1968-02-08 | — | 0 | Details |
| GB1198685A | Electric Motor Driven Gear Pump for Oil Burners. | Expired / Lapsed | 1967-10-23 | — | 0 | Details |
| DE1638380B2 | BRUSHLESS DC MOTOR WITH A PERMANENT MAGNETIC RUNNER | Expired / Lapsed | 1967-05-19 | — | 0 | Details |
| DE1538894A1 | Circulation pump, which is operated by an electric motor | Expired / Lapsed | 1966-08-16 | — | 0 | Details |
| DE1276800B | Single-phase AC motor with electromagnetic braking device | Expired / Lapsed | 1963-05-30 | — | 0 | Details |
| DE1400313A1 | Storage device, especially for ball bearings | Expired / Lapsed | 1961-07-04 | — | 0 | Details |
| DE1149915B | Device for non-contact width or length measurement | Expired / Lapsed | 1961-02-10 | — | 0 | Details |
| DE1276684B | Detachable electrical line coupling for the transmission of… | Expired / Lapsed | 1960-11-03 | — | 0 | Details |
| DE1097039B | Process for the production of electrically asymmetrically c… | Expired / Lapsed | 1958-07-02 | — | 0 | Details |
| DE1064639B | Cooled dry rectifier enclosed by a metal housing | Expired / Lapsed | 1956-04-28 | — | 0 | Details |
| DE1077760B | Arrangement for limiting the feedback voltage generated by … | Expired / Lapsed | 1955-04-27 | — | 0 | Details |
| DE1027777B | Self-starting synchronous motor | Expired / Lapsed | 1952-09-24 | — | 0 | Details |
| GB707008A | Electric un-symmetrically conductive systems, particularly … | Expired / Lapsed | 1951-10-31 | — | 0 | Details |
| GB695178A | Semi-conductors and methods of manufacturing semi-conductors | Expired / Lapsed | 1951-10-31 | — | 0 | Details |
| US4897640A | Method and electrical circuit for the reliable detection of… | Expired / Lapsed | 1988-05-02 | 1990-01-30 | 17 | Details |
| US4415227A | Transition between two single mode optical waveguides | Expired / Lapsed | 1981-04-01 | 1983-11-15 | 6 | Details |
| US4380821A | Traffic broadcasting system | Expired / Lapsed | 1980-07-24 | 1983-04-19 | 10 | Details |
| US4356484A | Method for transmitting data in a time multiplex transmissi… | Expired / Lapsed | 1980-08-08 | 1982-10-26 | 5 | Details |
| US4181901A | Method for regulating the output power of a semiconductor l… | Expired / Lapsed | 1977-11-17 | 1980-01-01 | 10 | Details |
| US4004225A | Method for synchronizing the pulse frames in time multiplex… | Expired / Lapsed | 1975-05-20 | 1977-01-18 | 3 | Details |
| US3965567A | Method for producing diffused contacted and surface passiva… | Expired / Lapsed | 1974-06-28 | 1976-06-29 | 41 | Details |
| US3904808A | Pressurized gas insulated high voltage lines with adhesivel… | Expired / Lapsed | 1973-07-20 | 1975-09-09 | 10 | Details |
| US3883848A | Method of and circuit arrangement for centering a character | Expired / Lapsed | 1972-11-28 | 1975-05-13 | 11 | Details |
| US3858007A | Circuit arrangement for synchronizing pulse bursts | Expired / Lapsed | 1973-01-23 | 1974-12-31 | 4 | Details |
| US3824505A | Electromechanical delay line wherein core exhibits higher m… | Expired / Lapsed | 1972-04-28 | 1974-07-16 | 0 | Details |
| US3819249A | Optical coupling arrangement | Expired / Lapsed | 1971-10-01 | 1974-06-25 | 26 | Details |
| US3772458A | Method for reducing the bandwidth of communication signals | Expired / Lapsed | 1971-09-15 | 1973-11-13 | 12 | Details |
| US3764759A | Method and apparatus for scanning recording carriers by mea… | Expired / Lapsed | 1970-11-16 | 1973-10-09 | 10 | Details |
| US3748955A | Circuit arrangement for rocket launchers | Expired / Lapsed | 1971-09-20 | 1973-07-31 | 3 | Details |
| US3732541A | Method and apparatus for evaluating repetitively transmitte… | Expired / Lapsed | 1971-04-26 | 1973-05-08 | 11 | Details |
| US3670322A | Programmable keyboard | Expired / Lapsed | 1970-08-17 | 1972-06-13 | 11 | Details |
| US3666345A | Coupling device in modulated coherent light transmission sy… | Expired / Lapsed | 1970-09-15 | 1972-05-30 | 0 | Details |
| US3587638A | Coolant coupling head | Expired / Lapsed | 1968-08-26 | 1971-06-28 | 0 | Details |
| US3586358A | Bearing chuck | Expired / Lapsed | 1969-07-23 | 1971-06-22 | 8 | Details |
| US3565524A | Photodrawing head with symbols for exposing to light a phot… | Expired / Lapsed | 1969-04-09 | 1971-02-23 | 0 | Details |
| US3553653A | Addressing an operating memory of a digital computer system | Expired / Lapsed | 1968-06-10 | 1971-01-05 | 0 | Details |
| US3551891A | Method and apparatus for simulating variables | Expired / Lapsed | 1967-02-23 | 1970-12-29 | 0 | Details |
| US3551893A | Power fluctuation simulator | Expired / Lapsed | 1967-01-24 | 1970-12-29 | 0 | Details |
| US3524049A | Digital curve computer for machine tool systems | Expired / Lapsed | 1966-12-19 | 1970-08-11 | 0 | Details |
| US3504252A | Speed-controlled d.c. motor having a mechanical or electric… | Expired / Lapsed | 1967-06-05 | 1970-03-31 | 0 | Details |
| US3483407A | External and internal rotor electric motors with vibration … | Expired / Lapsed | 1967-11-14 | 1969-12-09 | 0 | Details |
| US3473959A | Method for coating semiconductors and apparatus | Expired / Lapsed | 1965-08-02 | 1969-10-21 | 0 | Details |
| US3466923A | Apparatus for calibrating compasses | Expired / Lapsed | 1966-04-05 | 1969-09-16 | 0 | Details |
| US3453415A | Aircraft deicing system | Expired / Lapsed | 1967-04-27 | 1969-07-01 | 0 | Details |
| US3413544A | Time interval measuring device | Expired / Lapsed | 1966-02-09 | 1968-11-26 | 0 | Details |
| US3396630A | Stabilizer | Expired / Lapsed | 1966-05-25 | 1968-08-13 | 0 | Details |
| US3363233A | Digital comparison element | Expired / Lapsed | 1967-02-02 | 1968-01-09 | 2 | Details |
| US3358202A | Vernier equipped digital positioning apparatus | Expired / Lapsed | 1964-07-06 | 1967-12-12 | 2 | Details |
| US3341378A | Process for the production of electrically unsymmetrical se… | Expired / Lapsed | 1963-12-09 | 1967-09-12 | 2 | Details |
| US3303332A | Program control system | Expired / Lapsed | 1963-04-05 | 1967-02-07 | 2 | Details |
| US3290572A | Direct current motor with transistorized power supply | Expired / Lapsed | 1964-07-06 | 1966-12-06 | 2 | Details |
| FR1459516A | Semiconductor rectifier cell | Expired / Lapsed | 1965-12-06 | 1966-11-18 | 0 | Details |
| US3284618A | Nominal value position control system | Expired / Lapsed | 1962-03-16 | 1966-11-08 | 2 | Details |
| US3267372A | Electrical arrangement for forming digital representation o… | Expired / Lapsed | 1959-02-16 | 1966-08-16 | 2 | Details |
| US3198951A | Photoelectric control device for a flaw detector for moving… | Expired / Lapsed | 1962-05-31 | 1965-08-03 | 2 | Details |
| US3147442A | Frequency divider employing a plurality of decade counters … | Expired / Lapsed | 1962-04-27 | 1964-09-01 | 2 | Details |
| US3129339A | Pulse controlled electronic voltage control system | Expired / Lapsed | 1959-02-16 | 1964-04-14 | 2 | Details |
| US3109092A | Digital curve computer for use in controlling the path of a… | Expired / Lapsed | 1960-12-27 | 1963-10-29 | 2 | Details |
| US3089071A | Shaving apparatus | Expired / Lapsed | 1959-02-24 | 1963-05-07 | 2 | Details |
| US3079510A | Dry shaving apparatus combining varying sources of power | Expired / Lapsed | 1958-10-31 | 1963-02-26 | 2 | Details |
| US3058019A | Electric motor with high starting torque | Expired / Lapsed | 1958-04-07 | 1962-10-09 | 0 | Details |
| US3012305A | Electrically unsymmetrically conductive system and method f… | Expired / Lapsed | 1957-06-07 | 1961-12-12 | 0 | Details |
| US3005916A | Device for photoelectrically scanning webs | Expired / Lapsed | 1960-09-26 | 1961-10-24 | 0 | Details |
| US2982849A | Combination flashlight and battery recharging unit | Expired / Lapsed | 1958-03-17 | 1961-05-02 | 0 | Details |
| US2842723A | Controllable asymmetric electrical conductor systems | Expired / Lapsed | 1953-04-14 | 1958-07-08 | 0 | Details |
| US2786166A | Electric unsymmetrically conductive systems, particularly d… | Expired / Lapsed | 1955-05-23 | 1957-03-19 | 0 | Details |
| DE958140C | Dry rectifiers, especially selenium rectifiers | Expired / Lapsed | 1952-07-18 | 1957-02-14 | 0 | Details |
| US2778926A | Method for welding and soldering by electron bombardment | Expired / Lapsed | 1952-09-04 | 1957-01-22 | 2 | Details |
| DE934537C | Electromagnetic torsional vibration motor | Expired / Lapsed | 1951-08-09 | 1955-10-27 | 0 | Details |
| US2709232A | Controllable electrically unsymmetrically conductive device | Expired / Lapsed | 1953-07-29 | 1955-05-24 | 0 | Details |
| US2703855A | Unsymmetrical conductor arrangement | Expired / Lapsed | 1953-07-29 | 1955-03-08 | 0 | Details |
| FR1078688A | Controlled operation asymmetric electrically conductive sys… | Expired / Lapsed | 1953-04-15 | 1954-11-22 | 0 | Details |
| DE913330C | Closure for tubular housing for dry rectifier | Expired / Lapsed | 1952-02-26 | 1954-06-10 | 0 | Details |
| FR1037293A | Electrically controlled dry rectifier and its manufacturing… | Expired / Lapsed | 1951-05-19 | 1953-09-15 | 0 | Details |
| DE848217C | Contact converter with limited current-carrying side paths | Expired / Lapsed | 1950-11-05 | 1952-09-01 | 0 | Details |
| DE826279C | Device for automatic monitoring of the winding status of sh… | Expired / Lapsed | 1950-04-18 | 1951-12-27 | 0 | Details |
| FR896865A | Reaction lamp oscillation generator for producing multiple … | Expired / Lapsed | 1943-07-30 | 1945-03-06 | 0 | Details |
| FR895027A | Method for the test without deterioration of materials by u… | Expired / Lapsed | 1943-05-27 | 1945-01-12 | 0 | Details |
| FR894666A | Sheet and strip rolling mill of a section varying in length | Expired / Lapsed | 1943-05-12 | 1945-01-03 | 0 | Details |
| FR883665A | Device intended for the radiation of ultra-short waves, in … | Expired / Lapsed | 1942-06-29 | 1943-07-12 | 0 | Details |
| FR877126A | Dictation device, using the magnetic sound process | Expired / Lapsed | 1941-11-21 | 1942-11-27 | 0 | Details |
| US2230913A | Magnetic sound recorder | Expired / Lapsed | 1939-08-17 | 1941-02-04 | 0 | Details |
| US2210770A | Magnetic sound recording | Expired / Lapsed | 1939-08-17 | 1940-08-06 | 0 | Details |
| FR856157A | Multi-stage, negative feedback coupling amplifier | Expired / Lapsed | 1939-06-13 | 1940-06-03 | 0 | Details |
| US2195192A | Sound translating apparatus | Expired / Lapsed | 1939-08-30 | 1940-03-26 | 0 | Details |