Ametek Inc
Ametek IncActive Patents
0
Total Holdings
29
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4820973A | Impedance measuring system | Expired / Lapsed | 1988-07-22 | 1989-04-11 | 49 | Details |
| US4444054A | Temperature compensation for diffused semiconductor strain … | Expired / Lapsed | 1982-08-30 | 1984-04-24 | 25 | Details |
| US4289398A | Optical time domain reflectometer | Expired / Lapsed | 1978-12-04 | 1981-09-15 | 9 | Details |
| US3989281A | Joint system for filament wound aluminum pipe | Expired / Lapsed | 1975-03-14 | 1976-11-02 | 8 | Details |
| US3972504A | Main steam isolation check valve | Expired / Lapsed | 1974-12-02 | 1976-08-03 | 13 | Details |
| USRE28221E | Priority interrupt monitoring system | Expired / Lapsed | 1973-09-13 | 1974-11-05 | 0 | Details |
| US3676878A | Variable monitoring system | Expired / Lapsed | 1968-10-14 | 1972-07-11 | 15 | Details |
| US3616022A | Method of making heat exchange components | Expired / Lapsed | 1968-08-06 | 1971-10-26 | 4 | Details |
| US3555522A | Loading logic circuitry for deltic memory | Expired / Lapsed | 1968-01-03 | 1971-01-12 | 0 | Details |
| US3551770A | Motor drive circuit | Expired / Lapsed | 1968-11-05 | 1970-12-29 | 0 | Details |
| US3423015A | Continuous centrifugal separator with pool depth control | Expired / Lapsed | 1967-08-23 | 1969-01-21 | 0 | Details |
| US3419069A | Heat transfer apparatus having flexible plastic tubular ele… | Expired / Lapsed | 1967-04-28 | 1968-12-31 | 0 | Details |
| US3417289A | Speed sensing switch for rotary drums and the like | Expired / Lapsed | 1966-08-26 | 1968-12-17 | 2 | Details |
| US3363680A | Plastic tube heat exchanger with novel header construction | Expired / Lapsed | 1966-07-21 | 1968-01-16 | 1 | Details |
| US3354722A | Dual manifold pressure gauge | Expired / Lapsed | 1965-10-24 | 1967-11-28 | 2 | Details |
| US3315740A | Flexible plastic tube bundle and method of making | Expired / Lapsed | 1965-01-14 | 1967-04-25 | 2 | Details |
| US3309678A | Sequence indicating monitoring system | Expired / Lapsed | 1965-10-18 | 1967-03-14 | 2 | Details |
| US3277959A | Plastic tube heat exchanger and process of making | Expired / Lapsed | 1964-08-12 | 1966-10-11 | 1 | Details |
| US3278920A | Sequence indicating monitoring system | Expired / Lapsed | 1962-09-06 | 1966-10-11 | 2 | Details |
| US3240038A | Inflatable washing machine door seal | Expired / Lapsed | 1963-09-23 | 1966-03-15 | 0 | Details |
| US3228456A | Method and apparatus employing hollow polyfluorinated plast… | Expired / Lapsed | 1965-03-01 | 1966-01-11 | 2 | Details |
| US3143885A | Open face gauge construction | Expired / Lapsed | 1961-12-06 | 1964-08-11 | 1 | Details |
| US3142820A | Variable monitoring and recording system | Expired / Lapsed | 1960-01-20 | 1964-07-28 | 2 | Details |
| US3138791A | Sequential annunciator system | Expired / Lapsed | 1960-09-19 | 1964-06-23 | 1 | Details |
| US3136982A | Annunciator system with acknowledgment and reset | Expired / Lapsed | 1960-09-19 | 1964-06-09 | 1 | Details |
| US3115459A | Filter | Expired / Lapsed | 1961-05-25 | 1963-12-24 | 2 | Details |
| US3039318A | Spring counterbalance device for raising and lowering a wei… | Expired / Lapsed | 1959-10-28 | 1962-06-19 | 0 | Details |
| US3039085A | Magnetic core annunciator system | Expired / Lapsed | 1959-08-17 | 1962-06-12 | 0 | Details |
| US3031102A | Control device | Expired / Lapsed | 1957-12-02 | 1962-04-24 | 0 | Details |