Sperry Gyroscope Co Inc
Sperry GyrActive Patents
0
Total Holdings
16
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2434293A | Frequency control of an oscillator of the velocity modulati… | Expired / Lapsed | 1943-05-11 | 1948-01-13 | 0 | Details |
| US2429642A | Craft control apparatus | Expired / Lapsed | 1945-10-26 | 1947-10-28 | 0 | Details |
| US2429595A | Automatic landing system | Expired / Lapsed | 1943-09-03 | 1947-10-28 | 0 | Details |
| US2423336A | Radio controlled pilot system | Expired / Lapsed | 1941-02-10 | 1947-07-01 | 0 | Details |
| US2416790A | Transmission line bridge circuit | Expired / Lapsed | 1941-01-28 | 1947-03-04 | 0 | Details |
| US2415430A | Automatic pilot with automatic banking | Expired / Lapsed | 1942-07-28 | 1947-02-11 | 0 | Details |
| US2407190A | Filter for fluid flow systems | Expired / Lapsed | 1944-06-30 | 1946-09-03 | 0 | Details |
| US2377902A | Direction finder | Expired / Lapsed | 1941-10-07 | 1945-06-12 | 0 | Details |
| US2349261A | Phase angle indicator | Expired / Lapsed | 1942-02-13 | 1944-05-23 | 0 | Details |
| US2307023A | Method and apparatus for landing aircraft | Expired / Lapsed | 1940-08-28 | 1943-01-05 | 0 | Details |
| US2287002A | Antihunt position control system | Expired / Lapsed | 1939-12-20 | 1942-06-16 | 0 | Details |
| US2257757A | Radio compass navigation apparatus | Expired / Lapsed | 1937-10-22 | 1941-10-07 | 0 | Details |
| US2231929A | Tridimensional radio direction indicator | Expired / Lapsed | 1937-04-29 | 1941-02-18 | 0 | Details |
| US2227375A | Servomotor system for aircraft | Expired / Lapsed | 1938-11-26 | 1940-12-31 | 0 | Details |
| US2201174A | Automatic steering system for aircraft | Expired / Lapsed | 1938-07-02 | 1940-05-21 | 0 | Details |
| US2144616A | Remote control means for airplane automatic pilots | Expired / Lapsed | 1936-05-09 | 1939-01-24 | 0 | Details |