Alcatel Lucent Deutschland AG
Alcatel LuActive Patents
0
Total Holdings
46
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE1082629B | Switching device with several buttons and with protection t… | Expired / Lapsed | 1959-03-21 | — | 0 | Details |
| DE1080682B | Arrangement for measuring the service life of electrical de… | Expired / Lapsed | 1957-02-01 | — | 0 | Details |
| GB312079A | Improvements in high frequency duplex signalling systems | Expired / Lapsed | 1929-05-16 | — | 0 | Details |
| DE938976C | Electrode assembly for medical purposes | Expired / Lapsed | 1952-01-11 | 1956-02-09 | 0 | Details |
| US2294125A | Mechanical vibrating system | Expired / Lapsed | 1939-03-14 | 1942-08-25 | 0 | Details |
| US2290899A | Magnetic sound recording device | Expired / Lapsed | 1939-08-04 | 1942-07-28 | 0 | Details |
| US2288196A | Radio beacon system | Expired / Lapsed | 1938-11-18 | 1942-06-30 | 0 | Details |
| US2285043A | Television receiver | Expired / Lapsed | 1936-08-22 | 1942-06-02 | 0 | Details |
| US2277150A | Method of manufacturing vacuum tube devices | Expired / Lapsed | 1939-04-14 | 1942-03-24 | 0 | Details |
| US2266496A | Carrier frequency system | Expired / Lapsed | 1939-06-23 | 1941-12-16 | 0 | Details |
| US2265365A | Television transmitter | Expired / Lapsed | 1939-11-09 | 1941-12-09 | 0 | Details |
| US2265966A | Aircraft altimeter | Expired / Lapsed | 1939-08-11 | 1941-12-09 | 0 | Details |
| US2238298A | High frequency current measuring device | Expired / Lapsed | 1938-09-22 | 1941-04-15 | 0 | Details |
| US2235019A | Temperature compensating device | Expired / Lapsed | 1938-06-17 | 1941-03-18 | 0 | Details |
| US2234292A | Braun tube | Expired / Lapsed | 1938-03-31 | 1941-03-11 | 0 | Details |
| US2232080A | High frequency transmitter system | Expired / Lapsed | 1939-03-18 | 1941-02-18 | 0 | Details |
| US2219922A | Radio transmitting and receiving system | Expired / Lapsed | 1938-02-23 | 1940-10-29 | 0 | Details |
| US2219941A | High frequency arrangement | Expired / Lapsed | 1934-12-04 | 1940-10-29 | 0 | Details |
| US2217427A | Thermionic valve | Expired / Lapsed | 1938-05-13 | 1940-10-08 | 0 | Details |
| US2213859A | Antenna system | Expired / Lapsed | 1938-06-22 | 1940-09-03 | 0 | Details |
| US2212568A | Modulated high frequency transmitter system | Expired / Lapsed | 1938-07-09 | 1940-08-27 | 0 | Details |
| US2205560A | Distance indication means and method | Expired / Lapsed | 1938-03-08 | 1940-06-25 | 0 | Details |
| US2197494A | Antenna system | Expired / Lapsed | 1938-02-01 | 1940-04-16 | 0 | Details |
| US2197485A | Common wave transmitting system | Expired / Lapsed | 1937-06-17 | 1940-04-16 | 0 | Details |
| US2180853A | Shaft arrangement | Expired / Lapsed | 1936-10-10 | 1939-11-21 | 0 | Details |
| US2173902A | Common wave transmitter system | Expired / Lapsed | 1936-06-10 | 1939-09-26 | 0 | Details |
| US2167512A | Electrical oscillatory circuits | Expired / Lapsed | 1937-10-15 | 1939-07-25 | 0 | Details |
| US2167496A | Glow discharge oscillator | Expired / Lapsed | 1936-10-20 | 1939-07-25 | 0 | Details |
| US2164906A | Television apparatus | Expired / Lapsed | 1937-07-07 | 1939-07-04 | 0 | Details |
| US2161273A | Electromagnetic recording arrangement | Expired / Lapsed | 1936-03-24 | 1939-06-06 | 0 | Details |
| US2161292A | Radiating device | Expired / Lapsed | 1935-12-04 | 1939-06-06 | 0 | Details |
| US2156061A | System for determining positions by radio beacons | Expired / Lapsed | 1936-12-17 | 1939-04-25 | 0 | Details |
| US2156060A | System for determining positions by radio beacons | Expired / Lapsed | 1936-12-08 | 1939-04-25 | 0 | Details |
| US2151921A | Method of modulating high frequency transmitters | Expired / Lapsed | 1935-08-21 | 1939-03-28 | 0 | Details |
| US2072262A | Reflecting structure for electric waves | Expired / Lapsed | 1933-02-02 | 1937-03-02 | 0 | Details |
| US1939345A | Device for influencing the direction of electric waves | Expired / Lapsed | 1929-10-21 | 1933-12-12 | 0 | Details |
| US1882989A | Thermostatically controlled piezo-crystal | Expired / Lapsed | 1930-12-11 | 1932-10-18 | 0 | Details |
| US1877858A | System of multiple radio transmission | Expired / Lapsed | 1928-01-24 | 1932-09-20 | 0 | Details |
| US1822439A | Alternating current system | Expired / Lapsed | 1929-06-17 | 1931-09-08 | 0 | Details |
| US1807190A | Electric regulation system | Expired / Lapsed | 1930-03-21 | 1931-05-26 | 0 | Details |
| DE516554C | Device for keeping the frequency constant of tube transmitt… | Expired / Lapsed | 1929-12-18 | 1931-01-23 | 0 | Details |
| US1767236A | Vibration regulator | Expired / Lapsed | 1928-03-03 | 1930-06-24 | 0 | Details |
| DE494223C | Device for wireless shortwave traffic | Expired / Lapsed | 1928-04-04 | 1930-04-03 | 0 | Details |
| US1688916A | Means for synchronizing two or more rotating bodies | Expired / Lapsed | 1927-12-09 | 1928-10-23 | 0 | Details |
| US1588813A | Oscillation circuits | Expired / Lapsed | 1921-08-31 | 1926-06-15 | 0 | Details |
| US1513633A | Apparatus for regulating the voltage of alternating-current… | Expired / Lapsed | 1921-08-31 | 1924-10-28 | 0 | Details |