Stewart Warner Corp
Stewart WaActive Patents
0
Total Holdings
72
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3769593A | Battery conservation circuit | Expired / Lapsed | 1972-03-08 | 1973-10-30 | 4 | Details |
| US3768090A | Signal regenerator circuit for paging receiver | Expired / Lapsed | 1972-03-08 | 1973-10-23 | 4 | Details |
| US3665280A | Zero offset numerical servo machine control system | Expired / Lapsed | 1969-08-22 | 1972-05-23 | 32 | Details |
| US3661016A | Direct readout balancing method and apparatus | Expired / Lapsed | 1970-07-06 | 1972-05-09 | 18 | Details |
| US3638215A | Display system with solid matrix display board | Expired / Lapsed | 1970-05-28 | 1972-01-25 | 10 | Details |
| US3566388A | Traveling message display | Expired / Lapsed | 1968-11-20 | 1971-02-23 | 0 | Details |
| US3534352A | Coolant sensing apparatus | Expired / Lapsed | 1967-06-23 | 1970-10-13 | 0 | Details |
| US3493956A | Traveling message display | Expired / Lapsed | 1968-02-05 | 1970-02-03 | 0 | Details |
| US3423589A | Pattern contour tracing apparatus utilizing pulsating light… | Expired / Lapsed | 1965-05-19 | 1969-01-21 | 0 | Details |
| US3408464A | Brake switch | Expired / Lapsed | 1967-05-10 | 1968-10-29 | 0 | Details |
| US3334399A | Brazed laminated construction and method of fabrication the… | Expired / Lapsed | 1962-12-31 | 1967-08-08 | 2 | Details |
| US3242691A | Flexible shaft casing | Expired / Lapsed | 1963-11-29 | 1966-03-29 | 1 | Details |
| US3241137A | Transponder-type beacons | Expired / Lapsed | 1958-05-05 | 1966-03-15 | 2 | Details |
| US3144774A | Vibration detection apparatus | Expired / Lapsed | 1961-02-14 | 1964-08-18 | 1 | Details |
| US3106706A | Railway car identification system | Expired / Lapsed | 1957-08-08 | 1963-10-08 | 1 | Details |
| US3096871A | Centering control | Expired / Lapsed | 1960-12-16 | 1963-07-09 | 2 | Details |
| US3085406A | Flexible shaft assembly | Expired / Lapsed | 1962-02-20 | 1963-04-16 | 2 | Details |
| US3054479A | Speed responsive control means for automotive vehicles | Expired / Lapsed | 1957-10-04 | 1962-09-18 | 0 | Details |
| US3000519A | Automatic sortation system control | Expired / Lapsed | 1958-09-23 | 1961-09-19 | 0 | Details |
| US2990696A | Evaporative heat exchanger | Expired / Lapsed | 1957-09-13 | 1961-07-04 | 0 | Details |
| US2956117A | Telefilm freight car identification system | Expired / Lapsed | 1958-06-27 | 1960-10-11 | 0 | Details |
| US2950093A | Container for electronic equipment | Expired / Lapsed | 1956-08-16 | 1960-08-23 | 0 | Details |
| US2893221A | Snap-on coupling for a flexible shaft | Expired / Lapsed | 1955-07-01 | 1959-07-07 | 0 | Details |
| US2800254A | Follower for lubricant pumps | Expired / Lapsed | 1954-11-22 | 1957-07-23 | 0 | Details |
| US2787530A | Purge gas system for aircraft | Expired / Lapsed | 1955-04-19 | 1957-04-02 | 2 | Details |
| US2774052A | Mechanical assembly of electronic circuit components | Expired / Lapsed | 1951-04-06 | 1956-12-11 | 0 | Details |
| US2712232A | Balancing apparatus | Expired / Lapsed | 1951-05-10 | 1955-07-05 | 0 | Details |
| US2702883A | Vibration pickup | Expired / Lapsed | 1951-05-12 | 1955-02-22 | 0 | Details |
| US2695516A | Apparatus for detecting and measuring unbalance in rotating… | Expired / Lapsed | 1950-08-05 | 1954-11-30 | 0 | Details |
| US2671545A | Magnetic fluid clutch | Expired / Lapsed | 1949-07-20 | 1954-03-09 | 0 | Details |
| US2666180A | Electrical indicator | Expired / Lapsed | 1948-03-29 | 1954-01-12 | 0 | Details |
| US2649559A | Electric tachmometer | Expired / Lapsed | 1949-12-01 | 1953-08-18 | 0 | Details |
| US2607816A | Electric motor | Expired / Lapsed | 1947-01-29 | 1952-08-19 | 0 | Details |
| US2553179A | Detection of toxic gases, particularly carbon monoxide | Expired / Lapsed | 1948-10-15 | 1951-05-15 | 1 | Details |
| US2532486A | Heating and ventilating system | Expired / Lapsed | 1947-05-09 | 1950-12-05 | 0 | Details |
| US2531958A | Protective device for fuel lines or the like | Expired / Lapsed | 1942-12-18 | 1950-11-28 | 0 | Details |
| US2523923A | Automobile heating system | Expired / Lapsed | 1946-06-22 | 1950-09-26 | 0 | Details |
| US2521141A | Electronic circuit for triggering stroboscopic devices | Expired / Lapsed | 1946-09-14 | 1950-09-05 | 0 | Details |
| US2511213A | Carbureting apparatus | Expired / Lapsed | 1945-04-26 | 1950-06-13 | 0 | Details |
| US2499613A | Electronic pulse time interval discriminator with maximum i… | Expired / Lapsed | 1946-05-16 | 1950-03-07 | 0 | Details |
| US2486935A | Voltage controlled proportional positioning apparatus | Expired / Lapsed | 1946-07-24 | 1949-11-01 | 0 | Details |
| US2478052A | Hose coupler | Expired / Lapsed | 1945-10-03 | 1949-08-02 | 0 | Details |
| US2465276A | Magnetic mold | Expired / Lapsed | 1948-02-25 | 1949-03-22 | 0 | Details |
| US2463891A | Electric switch | Expired / Lapsed | 1944-11-30 | 1949-03-08 | 0 | Details |
| US2459039A | Automatic positioning apparatus | Expired / Lapsed | 1945-06-26 | 1949-01-11 | 0 | Details |
| US2450961A | Electric switch | Expired / Lapsed | 1945-06-16 | 1948-10-12 | 0 | Details |
| US2448459A | Piston actuated air motor valve mechanism | Expired / Lapsed | 1943-11-01 | 1948-08-31 | 0 | Details |
| US2446051A | Control valve | Expired / Lapsed | 1943-12-03 | 1948-07-27 | 0 | Details |
| US2441284A | Altitude compensating ignition device | Expired / Lapsed | 1943-08-05 | 1948-05-11 | 0 | Details |
| US2429114A | Centrifugal pump | Expired / Lapsed | 1943-07-27 | 1947-10-14 | 0 | Details |
| US2415944A | Electric fence charging apparatus | Expired / Lapsed | 1943-11-15 | 1947-02-18 | 0 | Details |
| US2412110A | Air conditioning apparatus for aircraft | Expired / Lapsed | 1943-02-04 | 1946-12-03 | 0 | Details |
| US2392017A | Measuring valve | Expired / Lapsed | 1942-06-15 | 1946-01-01 | 0 | Details |
| US2362880A | Coupler | Expired / Lapsed | 1942-10-24 | 1944-11-14 | 0 | Details |
| US2342872A | Automobile heater | Expired / Lapsed | 1938-09-22 | 1944-02-29 | 0 | Details |
| US2340455A | Lubricating apparatus | Expired / Lapsed | 1941-06-09 | 1944-02-01 | 0 | Details |
| US2339743A | Electric speedometer | Expired / Lapsed | 1938-12-05 | 1944-01-18 | 0 | Details |
| US2335401A | Braking mechanism for mobile containers | Expired / Lapsed | 1939-08-09 | 1943-11-30 | 0 | Details |
| US2226441A | Combination electrical measuring instrument | Expired / Lapsed | 1935-09-18 | 1940-12-24 | 0 | Details |
| US2153865A | Tuning apparatus for radio receivers | Expired / Lapsed | 1937-08-21 | 1939-04-11 | 0 | Details |
| US2108342A | Dial for indicating instruments | Expired / Lapsed | 1933-09-12 | 1938-02-15 | 0 | Details |
| US2070004A | Lubricating apparatus | Expired / Lapsed | 1935-11-01 | 1937-02-09 | 0 | Details |
| US2015389A | Refrigerator shelf | Expired / Lapsed | 1933-12-18 | 1935-09-24 | 0 | Details |
| US1982966A | Pumping device | Expired / Lapsed | 1932-02-20 | 1934-12-04 | 0 | Details |
| US1977889A | Tuning mechanism for radio receiving sets | Expired / Lapsed | 1932-09-14 | 1934-10-23 | 0 | Details |
| US1965198A | Compressor lubricating system | Expired / Lapsed | 1933-07-07 | 1934-07-03 | 0 | Details |
| US1882943A | Flexible shaft end | Expired / Lapsed | 1930-01-11 | 1932-10-18 | 0 | Details |
| US1835615A | Electrically governed carburetor | Expired / Lapsed | 1929-09-12 | 1931-12-08 | 0 | Details |
| US1830355A | Dirigible spotlight | Expired / Lapsed | 1930-01-24 | 1931-11-03 | 0 | Details |
| US1821082A | Oil filter | Expired / Lapsed | 1929-02-07 | 1931-09-01 | 0 | Details |
| US1806268A | Fuel pump | Expired / Lapsed | 1929-03-08 | 1931-05-19 | 0 | Details |
| US1803136A | Separable shaft and gear | Expired / Lapsed | 1924-12-31 | 1931-04-28 | 0 | Details |