United States Department of the Air Force
United StaActive Patents
0
Total Holdings
65
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5342825A | Passive superconducting bearing system | Expired / Lapsed | 1993-07-16 | 1994-08-30 | 12 | Details |
| US5007721A | Mechanically rotated Doppler frequency shifter | Expired / Lapsed | 1990-05-25 | 1991-04-16 | 14 | Details |
| USH637H | Method and apparatus for rapid optical phasing | Expired / Lapsed | 1986-04-30 | 1989-06-06 | 15 | Details |
| US4686997A | Skeletal bone remodeling studies using guided trephine samp… | Expired / Lapsed | 1986-11-13 | 1987-08-18 | 24 | Details |
| US4666486A | Process for making bulk heavy metal fluoride glasses | Expired / Lapsed | 1985-09-24 | 1987-05-19 | 6 | Details |
| US4505582A | Self-detecting optical sensors | Expired / Lapsed | 1982-07-14 | 1985-03-19 | 5 | Details |
| US4477814A | Dual mode radio frequency-infrared frequency system | Expired / Lapsed | 1982-08-02 | 1984-10-16 | 8 | Details |
| US4447149A | Pulsed laser radar apparatus | Expired / Lapsed | 1981-06-17 | 1984-05-08 | 6 | Details |
| US4370024A | Dynamic binary fourier filtered imaging system | Expired / Lapsed | 1980-05-06 | 1983-01-25 | 2 | Details |
| US4355900A | Self-calibrating interferometer | Expired / Lapsed | 1980-08-08 | 1982-10-26 | 11 | Details |
| US4298858A | Method and apparatus for augmenting binary patterns | Expired / Lapsed | 1980-03-27 | 1981-11-03 | 5 | Details |
| US4236819A | Imagery with constant range lines | Expired / Lapsed | 1974-07-29 | 1980-12-02 | 2 | Details |
| US4181435A | Holographic field lens detector | Expired / Lapsed | 1973-06-29 | 1980-01-01 | 3 | Details |
| US4179657A | Anti-jamming communication system | Expired / Lapsed | 1958-08-28 | 1979-12-18 | 12 | Details |
| US4157231A | Hydraulic drill unit | Expired / Lapsed | 1977-09-27 | 1979-06-05 | 8 | Details |
| US4137370A | Titanium and titanium alloys ion plated with noble metals a… | Expired / Lapsed | 1977-08-16 | 1979-01-30 | 4 | Details |
| US4135494A | Over-pressure protection device | Expired / Lapsed | 1977-03-09 | 1979-01-23 | 3 | Details |
| US4099050A | Codable optical transponder | Expired / Lapsed | 1970-07-10 | 1978-07-04 | 10 | Details |
| US4070709A | Piecewise linear predictive coding system | Expired / Lapsed | 1976-10-13 | 1978-01-24 | 6 | Details |
| US4050656A | Ejector rack | Expired / Lapsed | 1976-05-17 | 1977-09-27 | 9 | Details |
| US4049222A | Ejector rack for nuclear stores | Expired / Lapsed | 1976-07-20 | 1977-09-20 | 17 | Details |
| US3998088A | Testing apparatus for incremental shaft encoder | Expired / Lapsed | 1975-11-12 | 1976-12-21 | 5 | Details |
| US3993976A | Method and apparatus for pattern analysis | Expired / Lapsed | 1974-05-13 | 1976-11-23 | 5 | Details |
| US3951137A | Rebreathing system | Expired / Lapsed | 1974-11-20 | 1976-04-20 | 12 | Details |
| US3867033A | Multi-component flow probe | Expired / Lapsed | 1973-06-04 | 1975-02-18 | 4 | Details |
| US3866163A | Angle data processor for reciprocating narrow scanning beams | Expired / Lapsed | 1973-07-02 | 1975-02-11 | 9 | Details |
| US3837965A | Portable repair apparatus | Expired / Lapsed | 1972-10-17 | 1974-09-24 | 0 | Details |
| US3815135A | Direction finding interferometer for a linear fm signal | Expired / Lapsed | 1972-10-26 | 1974-06-04 | 4 | Details |
| US3802419A | Respiration monitor | Expired / Lapsed | 1972-04-11 | 1974-04-09 | 17 | Details |
| US3774223A | High-frequency waveguide feed in combination with a short-b… | Expired / Lapsed | 1972-10-04 | 1973-11-20 | 19 | Details |
| US3772703A | Normalized decorrelation detector | Expired / Lapsed | 1972-02-15 | 1973-11-13 | 4 | Details |
| US3753616A | Laser doppler velocimeter detector | Expired / Lapsed | 1971-11-22 | 1973-08-21 | 3 | Details |
| US3738750A | Doppler shift laser velocimeter data processor | Expired / Lapsed | 1970-12-10 | 1973-06-12 | 2 | Details |
| US3735404A | Crossover circuit for monopulse radar | Expired / Lapsed | 1965-06-07 | 1973-05-22 | 4 | Details |
| US3725917A | Radar phase comparison method and system for object recogni… | Expired / Lapsed | 1969-01-27 | 1973-04-03 | 4 | Details |
| US3723004A | Laser velocimeter employing dual scatter detection | Expired / Lapsed | 1971-05-18 | 1973-03-27 | 4 | Details |
| US3719946A | Radar phase comparison system including a superhetrodyne re… | Expired / Lapsed | 1969-01-27 | 1973-03-06 | 5 | Details |
| US3699570A | Tacan ground station track and display system | Expired / Lapsed | 1970-09-10 | 1972-10-17 | 2 | Details |
| US3695761A | Photomultiplier for a laser velocimeter | Expired / Lapsed | 1970-07-31 | 1972-10-03 | 4 | Details |
| US3678387A | Satellite communications system | Expired / Lapsed | 1970-08-05 | 1972-07-18 | 2 | Details |
| US3641433A | Transmitted reference synchronization system | Expired / Lapsed | 1969-06-09 | 1972-02-08 | 3 | Details |
| US3614239A | Photoelectric space-object position measuring device | Expired / Lapsed | 1970-04-21 | 1971-10-19 | 13 | Details |
| US3569731A | Voltage level detector | Expired / Lapsed | 1968-08-20 | 1971-03-09 | 6 | Details |
| US3557794A | Arterial dilation device | Expired / Lapsed | 1968-07-30 | 1971-01-26 | 5 | Details |
| US3530399A | Ultralinear sweep generator | Expired / Lapsed | 1968-11-26 | 1970-09-22 | 0 | Details |
| US3521288A | Antenna array employing beam waveguide feed | Expired / Lapsed | 1968-07-10 | 1970-07-21 | 0 | Details |
| US3519331A | Two-dimensional optical data processor | Expired / Lapsed | 1961-03-15 | 1970-07-07 | 2 | Details |
| US3507992A | Moving target discriminator | Expired / Lapsed | 1967-09-26 | 1970-04-21 | 0 | Details |
| US3505991A | Intracorporeal vascular prosthetic blood irradiator | Expired / Lapsed | 1968-02-13 | 1970-04-14 | 0 | Details |
| US3500823A | Electrocardiographic and bioelectric capacitive electrode | Expired / Lapsed | 1967-11-20 | 1970-03-17 | 0 | Details |
| US3471855A | System for generating test signals for an array of receiver… | Expired / Lapsed | 1968-11-25 | 1969-10-07 | 0 | Details |
| US3462340A | Fiber-containing pyrolytic composite material | Expired / Lapsed | 1965-07-28 | 1969-08-19 | 0 | Details |
| US3434467A | Implantable radiation assembly for circulating systems | Expired / Lapsed | 1966-08-15 | 1969-03-25 | 0 | Details |
| US3431150A | Process for implanting grids in semiconductor devices | Expired / Lapsed | 1966-10-07 | 1969-03-04 | 0 | Details |
| US3431405A | Spectrum analyzer | Expired / Lapsed | 1965-02-16 | 1969-03-04 | 0 | Details |
| US3402392A | Time division multiplex matrix data transfer system having … | Expired / Lapsed | 1964-09-24 | 1968-09-17 | 0 | Details |
| US3399387A | Time division electronic modular matrix switching system | Expired / Lapsed | 1966-06-03 | 1968-08-27 | 2 | Details |
| US3398288A | Velocity selector using light conducting rods and a plurali… | Expired / Lapsed | 1965-02-16 | 1968-08-20 | 0 | Details |
| US3391404A | Passive data transmission technique utilizing radar echoes | Expired / Lapsed | 1959-05-18 | 1968-07-02 | 2 | Details |
| US3374425A | Cascaded power supply for producing a clean d-c output | Expired / Lapsed | 1966-05-19 | 1968-03-19 | 2 | Details |
| US3360993A | Single thermocouple differentiating method and system | Expired / Lapsed | 1965-08-27 | 1968-01-02 | 0 | Details |
| US2682010A | Cathode-ray projection tube | Expired / Lapsed | 1952-10-31 | 1954-06-22 | 0 | Details |
| US2680228A | Optimum filter for detecting and differentiating complex si… | Expired / Lapsed | 1952-06-27 | 1954-06-01 | 0 | Details |
| US2649019A | Contractible head mount for binoculars | Expired / Lapsed | 1949-09-02 | 1953-08-18 | 0 | Details |
| US2512256A | Gunnery training device | Expired / Lapsed | 1948-04-13 | 1950-06-20 | 0 | Details |