| Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434) |
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| 06/19/1979 | US4158827 Current limiting contactor |
| 03/27/1979 | US4146855 Low profile multi-pole circuit breaker having multiple toggle springs |
| 03/22/1979 | WO1979000127A1 Defect current protection switch,reacting to double biased direct defect currents |
| 03/13/1979 | US4144513 Anti-rebound latch for current limiting switches |
| 01/02/1979 | US4132968 Current limiting circuit breaker with improved magnetic drive device |
| 12/05/1978 | CA1043840A1 Current limiting circuit breaker |
| 11/21/1978 | US4126841 Overcurrent switch |
| 10/17/1978 | CA1040691A1 Circuit interrupter |
| 10/03/1978 | US4118681 High-speed current-limiting device having a contact reclosing retarding member |
| 08/15/1978 | CA1036644A1 Circuit-interrupter |
| 05/02/1978 | US4087769 Torsion spring for contact pressure |
| 02/28/1978 | US4077026 Integral motor controller |
| 02/28/1978 | US4077025 Current limiting circuit interrupter |
| 01/31/1978 | US4071836 Current limiting circuit breaker |
| 01/24/1978 | US4070641 Current limiting circuit breaker |
| 11/01/1977 | US4056798 Current limiting circuit breaker |
| 08/16/1977 | US4042895 Combination motor-starter and circuit breaker |
| 08/02/1977 | US4039983 High-speed high-current circuit interrupter having electrodynamically operated arcing contacts |
| 06/21/1977 | US4031492 Triple break current limiter |
| 05/17/1977 | US4023885 Electrical terminal |
| 03/22/1977 | US4013984 Current limiting circuit breaker |
| 01/04/1977 | US4001738 Circuit interrupter having an electromagnetic repulsion device |
| 11/09/1976 | US3991391 Circuit interrupter with electromagnetic opening means |
| 10/19/1976 | US3987382 Unitized motor starter |
| 09/07/1976 | US3979675 Circuit interrupter |
| 05/25/1976 | US3959753 Circuit interrupter with load side short circuit |
| 05/11/1976 | US3956723 Current limiting circuit breaker |
| 04/27/1976 | US3953811 Current-limiting electric switch exempt from bumps in the opening stage |
| 03/23/1976 | US3946346 Current limiting circuit breaker |
| 03/16/1976 | US3944953 Current limiting circuit breaker |
| 03/09/1976 | US3943473 Current limiting circuit breaker |
| 03/09/1976 | US3943472 Current limiting circuit breaker |
| 03/09/1976 | US3943316 Current limiting circuit breaker |
| 01/27/1976 | US3935409 Current-limiting circuit breaker |