Ambac International Corp
Ambac InteActive Patents
0
Total Holdings
57
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3394368A | Signal switching system and control keyboard suitable for u… | Expired / Lapsed | 1964-04-01 | 1968-07-23 | 0 | Details |
| US3370166A | Object detector and control system employing same | Expired / Lapsed | 1966-02-21 | 1968-02-20 | 0 | Details |
| US3311102A | Excess fuel starting device for fuel injection engines | Expired / Lapsed | 1964-11-10 | 1967-03-28 | 0 | Details |
| US3311326A | Force direction indicator and apparatus and method employin… | Expired / Lapsed | 1964-07-17 | 1967-03-28 | 2 | Details |
| US3250133A | Differential accelerometer | Expired / Lapsed | 1964-12-22 | 1966-05-10 | 1 | Details |
| US3209176A | Piezoelectric vibration transducer | Expired / Lapsed | 1961-06-16 | 1965-09-28 | 2 | Details |
| US3147407A | Positive action relay control circuit incorporating a block… | Expired / Lapsed | 1958-10-10 | 1964-09-01 | 2 | Details |
| US3135053A | Tracking predicting systems | Expired / Lapsed | 1956-10-16 | 1964-06-02 | 2 | Details |
| US3122024A | Force responsive vibrating filaments | Expired / Lapsed | 1957-06-21 | 1964-02-25 | 1 | Details |
| US3109607A | Inflation of balloon | Expired / Lapsed | 1959-03-05 | 1963-11-05 | 2 | Details |
| US3091737A | Computer synchronizing circuit | Expired / Lapsed | 1960-06-13 | 1963-05-28 | 2 | Details |
| US3083666A | Projectile aiming system | Expired / Lapsed | 1947-01-07 | 1963-04-02 | 2 | Details |
| US3048786A | Synchronizing signal generator for demultiplexing system | Expired / Lapsed | 1958-11-19 | 1962-08-07 | 0 | Details |
| US3023617A | Navigation apparatus | Expired / Lapsed | 1953-06-01 | 1962-03-06 | 0 | Details |
| US3009134A | Binary signal verification system | Expired / Lapsed | 1957-09-05 | 1961-11-14 | 0 | Details |
| US3002282A | Vehicle position indicator | Expired / Lapsed | 1958-06-18 | 1961-10-03 | 0 | Details |
| US2989730A | Selective calling system | Expired / Lapsed | 1957-05-15 | 1961-06-20 | 0 | Details |
| US2984111A | Accelerometer | Expired / Lapsed | 1959-06-19 | 1961-05-16 | 0 | Details |
| US2969539A | Proximity warning and collision avoidance system | Expired / Lapsed | 1958-03-28 | 1961-01-24 | 0 | Details |
| US2969085A | Non-chattering flow divider valve | Expired / Lapsed | 1953-10-16 | 1961-01-24 | 0 | Details |
| US2959958A | Apparatus for obtaining true atmospheric data | Expired / Lapsed | 1954-10-05 | 1960-11-15 | 0 | Details |
| US2947911A | Readout device | Expired / Lapsed | 1958-09-26 | 1960-08-02 | 0 | Details |
| US2916931A | Motor control system for automatic machine tools | Expired / Lapsed | 1956-02-28 | 1959-12-15 | 0 | Details |
| US2879669A | Vertical sensing device | Expired / Lapsed | 1954-07-22 | 1959-03-31 | 0 | Details |
| US2841329A | Signal multiplying device | Expired / Lapsed | 1951-12-12 | 1958-07-01 | 0 | Details |
| US2828728A | Fuel injection systems | Expired / Lapsed | 1955-04-22 | 1958-04-01 | 0 | Details |
| US2802452A | Hydraulic starter | Expired / Lapsed | 1953-10-20 | 1957-08-13 | 0 | Details |
| US2800054A | Projection device with directional lens | Expired / Lapsed | 1953-06-29 | 1957-07-23 | 0 | Details |
| US2771066A | Fuel injection pump | Expired / Lapsed | 1953-01-30 | 1956-11-20 | 0 | Details |
| US2741732A | Motor control system for automatic machine tools | Expired / Lapsed | 1951-08-02 | 1956-04-10 | 0 | Details |
| US2718789A | Temperature compensation of integrating gyroscopes | Expired / Lapsed | 1954-10-05 | 1955-09-27 | 0 | Details |
| US2674236A | Fuel injection pump | Expired / Lapsed | 1952-03-29 | 1954-04-06 | 0 | Details |
| US2624327A | Fuel injection apparatus | Expired / Lapsed | 1950-03-30 | 1953-01-06 | 0 | Details |
| US2542389A | Combined ignition timer and fuel injection unit | Expired / Lapsed | 1946-11-09 | 1951-02-20 | 0 | Details |
| US2441277A | Combined injector nozzle and spark plug | Expired / Lapsed | 1945-10-13 | 1948-05-11 | 0 | Details |
| US2419683A | Sealing high-tension wires in sockets | Expired / Lapsed | 1942-12-26 | 1947-04-29 | 0 | Details |
| US2395648A | Automatic fuel mixture control system | Expired / Lapsed | 1940-03-15 | 1946-02-26 | 0 | Details |
| US2286301A | Liquid pump | Expired / Lapsed | 1941-02-28 | 1942-06-16 | 0 | Details |
| US2269651A | Rotor for electric generators | Expired / Lapsed | 1940-08-24 | 1942-01-13 | 0 | Details |
| US2248222A | Liquid gas converter and regulator | Expired / Lapsed | 1938-05-27 | 1941-07-08 | 0 | Details |
| US2186480A | Carburetor | Expired / Lapsed | 1938-02-21 | 1940-01-09 | 0 | Details |
| US2162043A | Gas filter | Expired / Lapsed | 1938-05-03 | 1939-06-13 | 0 | Details |
| US2156677A | Radio tuning device | Expired / Lapsed | 1938-01-22 | 1939-05-02 | 0 | Details |
| US2150859A | Ventilator attachment for electric ignition apparatus | Expired / Lapsed | 1938-06-08 | 1939-03-14 | 0 | Details |
| US2141141A | Ignition coil | Expired / Lapsed | 1937-12-27 | 1938-12-20 | 0 | Details |
| US2076771A | Radio receiver construction | Expired / Lapsed | 1936-06-27 | 1937-04-13 | 0 | Details |
| US2073236A | Composite flue | Expired / Lapsed | 1936-06-03 | 1937-03-09 | 0 | Details |
| US2067495A | Water heater | Expired / Lapsed | 1934-12-29 | 1937-01-12 | 0 | Details |
| US2062253A | Radio coil and switch assembly | Expired / Lapsed | 1936-06-09 | 1936-11-24 | 0 | Details |
| US1989057A | Electric relay | Expired / Lapsed | 1932-09-02 | 1935-01-22 | 0 | Details |
| FR776175A | Combined ignition distribution and fuel distribution device | Expired / Lapsed | 1934-07-20 | 1935-01-18 | 0 | Details |
| US1979315A | Radio apparatus | Expired / Lapsed | 1933-11-28 | 1934-11-06 | 0 | Details |
| US1913575A | Spark plug | Expired / Lapsed | 1932-06-23 | 1933-06-13 | 0 | Details |
| US1907831A | Dynamotor | Expired / Lapsed | 1932-02-27 | 1933-05-09 | 0 | Details |
| US1894510A | Fuel injection system | Expired / Lapsed | 1928-10-10 | 1933-01-17 | 0 | Details |
| US1773573A | Variable condenser | Expired / Lapsed | 1927-09-01 | 1930-08-19 | 0 | Details |
| US1727197A | Internal-combustion engine | Expired / Lapsed | 1925-11-25 | 1929-09-03 | 0 | Details |