Northrop Grumman Systems Corp
Northrop GActive Patents
0
Total Holdings
25
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US6396338B1 | Variable delay line detector | Expired / Lapsed | 1999-10-26 | 2002-05-28 | 20 | Details |
| US6320850B1 | Satellite communication adaptive control coding | Expired / Lapsed | 1998-04-24 | 2001-11-20 | 16 | Details |
| US5610705A | Doppler velocimeter | Expired / Lapsed | 1995-02-16 | 1997-03-11 | 12 | Details |
| US5311183A | Windshear radar system with upper and lower elevation radar… | Expired / Lapsed | 1991-06-13 | 1994-05-10 | 24 | Details |
| US5218360A | Millimeter-wave aircraft landing and taxing system | Expired / Lapsed | 1992-09-17 | 1993-06-08 | 25 | Details |
| US5164731A | Turbulence radar system | Expired / Lapsed | 1991-06-13 | 1992-11-17 | 8 | Details |
| US4412475A | Aircraft rocket and missile launcher | Expired / Lapsed | 1980-05-27 | 1983-11-01 | 11 | Details |
| US4246654A | Digital coherent phase demodulator | Expired / Lapsed | 1979-01-09 | 1981-01-20 | 6 | Details |
| US4122521A | Correlation system for multiple-sensor reconnaissance vehic… | Expired / Lapsed | 1977-04-13 | 1978-10-24 | 13 | Details |
| US4093349A | High reflectivity laser mirrors | Expired / Lapsed | 1976-10-27 | 1978-06-06 | 17 | Details |
| US4089584A | Multiple station multiplexed communications link employing … | Expired / Lapsed | 1976-10-29 | 1978-05-16 | 12 | Details |
| US4064363A | Vocoder systems providing wave form analysis and synthesis … | Expired / Lapsed | 1976-05-24 | 1977-12-20 | 32 | Details |
| US4018405A | Vehicle guidance control link utilizing light beam | Expired / Lapsed | 1974-10-18 | 1977-04-19 | 10 | Details |
| US3988534A | Electro-optical tracking computer utilizing television came… | Expired / Lapsed | 1969-07-28 | 1976-10-26 | 19 | Details |
| US3906392A | Combination electron window-sustainer electrode for electro… | Expired / Lapsed | 1974-01-07 | 1975-09-16 | 14 | Details |
| US3882501A | System for determining speed and heading of airborne equipm… | Expired / Lapsed | 1974-02-11 | 1975-05-06 | 30 | Details |
| US3880043A | Projectile delivery system | Expired / Lapsed | 1973-09-21 | 1975-04-29 | 33 | Details |
| US3691357A | Positioning control system having memory for a machine tool | Expired / Lapsed | 1970-09-21 | 1972-09-12 | 21 | Details |
| US3557495A | Positioning mechanism for machine tool | Expired / Lapsed | 1968-04-17 | 1971-01-26 | 0 | Details |
| US3548679A | Output torque divider | Expired / Lapsed | 1968-10-29 | 1970-12-22 | 0 | Details |
| US3427611A | Laser system | Expired / Lapsed | 1962-08-15 | 1969-02-11 | 1 | Details |
| CA736583A | Microwave cooking | Expired / Lapsed | — | 1966-06-14 | 0 | Details |
| US2950353A | Pliant disk magnetic recording apparatus | Expired / Lapsed | 1955-07-05 | 1960-08-23 | 0 | Details |
| US2901640A | Transistor gates | Expired / Lapsed | 1956-12-31 | 1959-08-25 | 0 | Details |
| US2885662A | Analog-to-difunction converters | Expired / Lapsed | 1955-10-17 | 1959-05-05 | 0 | Details |