Cook Electric Co
Cook ElectActive Patents
0
Total Holdings
25
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3255330A | Line protector | Expired / Lapsed | 1962-08-30 | 1966-06-07 | 2 | Details |
| US3254230A | Peak detector | Expired / Lapsed | 1961-11-24 | 1966-05-31 | 2 | Details |
| US3105179A | Servo system for magnetic tape machine | Expired / Lapsed | 1960-08-22 | 1963-09-24 | 2 | Details |
| US2968793A | System, method and apparatus for processing data or informa… | Expired / Lapsed | 1958-04-24 | 1961-01-17 | 0 | Details |
| US2962710A | System and apparatus for measuring intervals | Expired / Lapsed | 1954-06-07 | 1960-11-29 | 0 | Details |
| US2911277A | System and apparatus for data processing | Expired / Lapsed | 1953-07-10 | 1959-11-03 | 0 | Details |
| US2902644A | Transfer function analysis | Expired / Lapsed | 1953-11-10 | 1959-09-01 | 0 | Details |
| US2871660A | Remote control system | Expired / Lapsed | 1953-11-09 | 1959-02-03 | 0 | Details |
| US2867754A | Time-delay relay | Expired / Lapsed | 1957-08-14 | 1959-01-06 | 0 | Details |
| US2810800A | Pressure switch | Expired / Lapsed | 1955-01-25 | 1957-10-22 | 0 | Details |
| US2777285A | System, method and apparatus for closed cycle control | Expired / Lapsed | 1952-05-15 | 1957-01-15 | 0 | Details |
| US2771596A | Method and apparatus for recording and reproducing data | Expired / Lapsed | 1950-06-02 | 1956-11-20 | 0 | Details |
| US2756404A | Fluid testing apparatus | Expired / Lapsed | 1952-05-15 | 1956-07-24 | 0 | Details |
| US2717120A | Integrating device for indicating ground position of aircra… | Expired / Lapsed | 1950-07-12 | 1955-09-06 | 0 | Details |
| US2663832A | Multiple mode closed-cycle control system | Expired / Lapsed | 1952-10-01 | 1953-12-22 | 0 | Details |
| US2486751A | Relay coil assembly | Expired / Lapsed | 1945-06-22 | 1949-11-01 | 0 | Details |
| US2448772A | Differential relay | Expired / Lapsed | 1943-11-26 | 1948-09-07 | 0 | Details |
| US2223539A | Pole cable terminal | Expired / Lapsed | 1938-11-14 | 1940-12-03 | 0 | Details |
| US2176254A | Heat motor | Expired / Lapsed | 1938-09-08 | 1939-10-17 | 0 | Details |
| US1983314A | Heat motor | Expired / Lapsed | 1929-06-14 | 1934-12-04 | 0 | Details |
| US1865207A | Conductor clip | Expired / Lapsed | 1926-10-08 | 1932-06-28 | 0 | Details |
| US1831464A | Thermo-electric control valve | Expired / Lapsed | 1928-02-25 | 1931-11-10 | 0 | Details |
| US1826089A | Pressure control for automatic pumps | Expired / Lapsed | 1926-08-05 | 1931-10-06 | 0 | Details |
| US1716531A | Pole cable terminal | Expired / Lapsed | 1925-06-05 | 1929-06-11 | 0 | Details |
| US1647602A | Hinged construction | Expired / Lapsed | 1923-08-02 | 1927-11-01 | 0 | Details |