Patent Explorer
Browse, filter, and analyze 13 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4477814A | Dual mode radio frequency-infrared frequency system | United States Department of the Air Force | Expired / Lapsed | 1982-08-02 | 1984-10-16 | 2002-08-02 | 0.0 yrs | 8 | |
| US4370024A | Dynamic binary fourier filtered imaging system | United States Department of the Air Force | Expired / Lapsed | 1980-05-06 | 1983-01-25 | 2000-05-06 | 0.0 yrs | 2 | |
| US4157231A | Hydraulic drill unit | United States Department of the Air Force | Expired / Lapsed | 1977-09-27 | 1979-06-05 | 1997-09-27 | 0.0 yrs | 8 | |
| US4137370A | Titanium and titanium alloys ion plated with noble metals and their alloys | United States Department of the Air Force | Expired / Lapsed | 1977-08-16 | 1979-01-30 | 1997-08-16 | 0.0 yrs | 4 | |
| US4099050A | Codable optical transponder | United States Department of the Air Force | Expired / Lapsed | 1970-07-10 | 1978-07-04 | 1990-07-10 | 0.0 yrs | 10 | |
| US3998088A | Testing apparatus for incremental shaft encoder | United States Department of the Air Force | Expired / Lapsed | 1975-11-12 | 1976-12-21 | 1995-11-12 | 0.0 yrs | 5 | |
| US3802419A | Respiration monitor | United States Department of the Air Force | Expired / Lapsed | 1972-04-11 | 1974-04-09 | 1992-04-11 | 0.0 yrs | 17 | |
| US3695761A | Photomultiplier for a laser velocimeter | United States Department of the Air Force | Expired / Lapsed | 1970-07-31 | 1972-10-03 | 1990-07-31 | 0.0 yrs | 4 | |
| US3530399A | Ultralinear sweep generator | United States Department of the Air Force | Expired / Lapsed | 1968-11-26 | 1970-09-22 | 1988-11-26 | 0.0 yrs | 0 | |
| US3521288A | Antenna array employing beam waveguide feed | United States Department of the Air Force | Expired / Lapsed | 1968-07-10 | 1970-07-21 | 1988-07-10 | 0.0 yrs | 0 | |
| US3431150A | Process for implanting grids in semiconductor devices | United States Department of the Air Force | Expired / Lapsed | 1966-10-07 | 1969-03-04 | 1986-10-07 | 0.0 yrs | 0 | |
| US3399387A | Time division electronic modular matrix switching system | United States Department of the Air Force | Expired / Lapsed | 1966-06-03 | 1968-08-27 | 1986-06-03 | 0.0 yrs | 2 | |
| US3360993A | Single thermocouple differentiating method and system | United States Department of the Air Force | Expired / Lapsed | 1965-08-27 | 1968-01-02 | 1985-08-27 | 0.0 yrs | 0 |