| Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450) |
|---|
| 01/01/1980 | US4181838 Actuating mechanism with an auxiliary switch for an electrically lockable power switch |
| 01/01/1980 | US4181389 Tap changing electrical connector for static trip circuit breakers |
| 12/25/1979 | US4180788 Vacuum circuit breaker with delayed trip operation |
| 12/18/1979 | US4179675 Trip bar means subassembly |
| 12/18/1979 | CA1068391A1 Circuit breaker with improved trip means having a high rating shunt trip |
| 11/20/1979 | CA1066748A1 Visible blade switch |
| 11/13/1979 | CA1066331A1 Ground fault circuit breaker with trip indication |
| 11/06/1979 | CA1065928A1 Circuit breaker with improved trip means |
| 10/31/1979 | EP0004874A1 Low voltage power circuit breaker with means for limiting blow-off of contacts |
| 10/31/1979 | EP0004873A1 Frictionally operative latch structure with two relatively movable parts |
| 10/30/1979 | US4173004 Magnetic latch device for a clapper type contactor |
| 10/23/1979 | US4172241 Electromagnetic actuation device comprising a magnetic holding mechanism, particularly for the actuation of high-speed circuit breakers |
| 10/23/1979 | US4171862 Terminal board for electrical equipment |
| 10/17/1979 | EP0004564A1 Electromagnetic excess current circuit breaker with variable air gap |
| 10/04/1979 | WO1979000768A1 Circuit breaker having an electronic fault sensing and trip initiating unit |
| 10/03/1979 | EP0004508A2 Circuit breaker with a movable latching element urged by elastic return means |
| 10/02/1979 | CA1063659A1 Circuit breaker operating mechanism with a rotary manual resetting means |
| 09/25/1979 | CA1063220A1 Switch for electrical wall receptacle with ground fault protection |
| 09/19/1979 | EP0003973A1 Low-tension power circuit breaker with electromagnetic release |
| 09/19/1979 | EP0003967A1 Release gear device for electric power circuit breakers |
| 09/18/1979 | US4168515 Line protector for a communications circuit |
| 09/11/1979 | US4167721 Hermetic motor protector |
| 09/11/1979 | US4167720 Circuit breaker with switching rocker |
| 09/05/1979 | EP0003736A1 Low-tension power circuit-breaker with a split insulant housing |
| 09/04/1979 | US4166989 Circuit breaker remote close and charged signalling apparatus |
| 09/04/1979 | US4166988 Compact three-pole circuit breaker |
| 09/04/1979 | CA1061842A2 Disconnect switch with trip mechanism |
| 09/04/1979 | CA1061839A1 Stacker circuit breakers having high interrupting capacity |
| 08/28/1979 | US4166260 Circuit breaker accessory assembly |
| 08/28/1979 | US4166205 Stored energy circuit breaker |
| 08/22/1979 | EP0003497A1 Adjusting device with stopping steps to release electric switching devices |
| 08/21/1979 | US4165502 Current limiter assembly for a circuit breaker |
| 08/21/1979 | US4165453 Switch with device to interlock the switch control if the contacts stick |
| 08/09/1979 | WO1979000537A1 Indicator for blown circuit breaker |
| 08/08/1979 | EP0003447A1 Device for current limiting and circuit breaking |
| 08/08/1979 | EP0003236A1 Low-tension power circuit-breaker with an insulant housing, subdivided by separating walls |
| 07/17/1979 | CA1058670A1 Circuit breaker with bell alarm and breaker lockout accessory |
| 07/11/1979 | EP0002748A1 Magnetic trip device for fault current protection switch |
| 07/10/1979 | CA1058263A1 Circuit breaker line terminal |
| 07/10/1979 | CA1058262A1 Circuit breaker with one-way adjustment of tripping current level |
| 07/03/1979 | US4160142 Circuit breaker main and disconnect contact structure |
| 06/27/1979 | EP0002449A1 Low voltage circuit breaker with a two-part insulating casing |
| 06/26/1979 | US4159155 Bimetal circuit breaker |
| 06/12/1979 | US4158119 Means for breaking welds formed between circuit breaker contacts |
| 06/05/1979 | US4157523 Bimetal overload relay |
| 06/05/1979 | US4157520 Magnetic flux shifting ground fault trip indicator |
| 06/05/1979 | CA1056007A1 Unitary fused ground fault circuit interrupting device |
| 06/05/1979 | CA1055997A1 Electric circuit interrupter of the puffer type comprising a magnetically-actuated piston |
| 06/05/1979 | CA1055995A1 Circuit interrupter having an insulated bridging contact |
| 05/30/1979 | EP0002057A1 Thermal overload relay |
| 05/29/1979 | CA1055595A1 Circuit breaker with solid state passive overcurrent sensing device |
| 05/22/1979 | US4156219 Electric circuit breaker |
| 05/22/1979 | US4156121 Molded breaker case housing molded case circuit breaker |
| 05/22/1979 | CA1055084A1 Integral magnetic trip and latch for a circuit interrupter |
| 05/01/1979 | US4152683 Test means for circuit breaker automatic trip mechanism |
| 05/01/1979 | US4152561 Circuit breaker motor and handle clutch |
| 05/01/1979 | CA1053792A1 Automatic transfer switch |
| 04/24/1979 | US4151495 Resetting means for trip free circuit breaker contact operating mechanism |
| 04/24/1979 | US4151386 Circuit breaker grip means |
| 04/24/1979 | US4151385 Turning grip drive for rocker-arm actuated power switch |
| 04/24/1979 | CA1053300A1 Multi-pole circuit breaker with adjustable thermal trip unit |
| 04/24/1979 | CA1053299A1 Multi-pole circuit breaker with adjustable thermal trip unit |
| 04/24/1979 | CA1053298A1 Magnetic flux shifting ground fault trip indicator |
| 04/17/1979 | US4150273 Enclosed circuit protective device assembly |
| 04/10/1979 | US4149129 Contact control assembly for a circuit breaker |
| 04/03/1979 | US4148004 Circuit breaker with calibrating means |
| 04/03/1979 | US4148002 Electric switches |
| 04/03/1979 | US4147999 Circuit breaker |
| 04/03/1979 | CA1051959A1 Undervoltage release for circuit breaker |
| 03/27/1979 | US4146855 Low profile multi-pole circuit breaker having multiple toggle springs |
| 03/20/1979 | CA1051069A2 Current limiting circuit breaker |
| 03/13/1979 | US4144427 Anti-rebound and contact kicker means for circuit breaker |
| 02/27/1979 | CA1049644A1 Current limiting circuit breaker system |
| 02/27/1979 | CA1049594A1 Pushbutton actuated current limiting switch with thermal tripping |
| 02/13/1979 | CA1048578A2 Current limiting circuit breaker |
| 01/16/1979 | US4135135 Resilient anti-rebound latch for circuit breaker contacts |
| 01/16/1979 | US4135134 Electric wiring switch, especially a line protection switch with a fault-current circuit breaker |
| 01/16/1979 | CA1046623A1 Sequential resetting circuit interrupter |
| 01/09/1979 | US4134089 Electromagnet for an extremely inverse time overcurrent protective relay |
| 01/09/1979 | CA1046119A1 Circuit breaker with improved trip actuator and undervoltage release mechanism |
| 01/09/1979 | CA1046118A1 Multi-pole electric circuit breaker arrangement |
| 01/09/1979 | CA1046114A1 Vapor-state current limiting circuit breaker |
| 01/02/1979 | CA1045660A1 Circuit breaker with contacts which are not engageable when the electrical sensing unit thereof is energized |
| 12/26/1978 | US4131776 Motorized drive assembly for a circuit breaker operator |
| 12/19/1978 | US4130814 Interchangeable tripping device for a circuit-breaker |
| 12/19/1978 | CA1044735A1 Circuit breaker with center trip position |
| 12/19/1978 | CA1044734A1 Narrow multi-pole circuit breaker having bodily movable instantaneous trip structure |
| 12/19/1978 | CA1044733A1 Narrow multi-pole circuit breaker having inertia actuated overtravel for latch release |
| 12/12/1978 | US4129843 Magnetic trip means for circuit breaker |
| 12/12/1978 | US4129762 Circuit-breaker operating mechanism |
| 12/12/1978 | CA1044291A1 Pushbutton electric switch with reset mechanism |
| 12/12/1978 | CA1044288A1 Manually operable circuit interrupter with automatic current overload protection |
| 12/05/1978 | US4128822 Polyphase circuit breaker having improved trip crossbar assembly |
| 12/05/1978 | US4128750 Circuit breaker closure control and condition indicator apparatus |
| 12/05/1978 | CA1043840A1 Current limiting circuit breaker |
| 11/21/1978 | US4126841 Overcurrent switch |
| 11/07/1978 | US4124833 Overcurrent protection equipment |
| 11/07/1978 | US4124831 Circuit breaker |
| 11/07/1978 | CA1042042A1 Heavy duty automatic circuit breaker |
| 10/31/1978 | US4123734 Circuit breaker with improved latch mechanism |