| Patents for H01H 73 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism (6,696) |
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| 11/06/1991 | CN1014662B Circuit breaker with generating electro-magnetic force connection branch |
| 10/23/1991 | CN1055623A Open phase protector |
| 10/22/1991 | US5060107 Molded case circuit breaker operating handle guard |
| 10/16/1991 | EP0451531A1 Electric contact arrangement |
| 10/16/1991 | EP0451480A1 Fault-current protective switch in module construction |
| 10/15/1991 | US5057806 Crossbar assembly |
| 10/15/1991 | CA1290798C Kinematic transmission system between the operating mechanism and polesof a moulded insulating case electrical circuit-breaker |
| 10/15/1991 | CA1290795C Thermal circuit breaker |
| 10/11/1991 | CA2037999A1 Electrical contact arrangement |
| 10/09/1991 | EP0450904A2 Circuit breaker positive off interlock |
| 10/09/1991 | EP0450366A1 Push button operated circuit breaker |
| 10/09/1991 | CN1014283B Circuite breaker with adjustable thermal trip unit |
| 10/08/1991 | CA1290373C Rating plug enclosure for molded case circuit breakers |
| 10/04/1991 | CA2037792A1 Circuit breaker positive off interlock |
| 10/01/1991 | US5053736 Molded split case electromagnetic circuit breaker assembly |
| 09/24/1991 | US5051861 Multiple circuit interrupter address identification system |
| 09/24/1991 | US5051731 Blown circuit breaker indicator with light emitting diode |
| 09/18/1991 | EP0446933A2 Circuit breaker |
| 09/12/1991 | DE4007606A1 Automatic load protection switch |
| 09/04/1991 | EP0444283A1 Automatic cutout with an electromagnetic trip |
| 09/04/1991 | CN1013816B Operating machanism for a low voltage electrical circuit breaker |
| 08/24/1991 | WO1991013454A1 A circuit breaker |
| 08/24/1991 | CA2053238A1 Circuit breaker |
| 08/14/1991 | EP0441472A2 Circuit breaker with rating plug having memory |
| 08/07/1991 | EP0440269A2 Circuit breaker |
| 08/07/1991 | CN1053716A Circuit breaker with rating plug having memory |
| 08/06/1991 | US5038121 Molded case circuit interrupter trip indicating handle |
| 07/31/1991 | EP0438793A2 Switch device |
| 07/23/1991 | US5034731 Automatic appliance electric state signalling label |
| 07/17/1991 | EP0437220A2 Circuit breaker with leakage current detecting functions |
| 07/17/1991 | CN1013231B Current breaking device with solid-state switch and built-in protective circuit breaker |
| 07/16/1991 | US5032697 Actuating device for an electrical switch |
| 07/10/1991 | CA2030114A1 Multiple circuit interrupter address identification system |
| 07/09/1991 | US5030804 Contact arrangement for electric switching devices |
| 07/09/1991 | CA1285973C Interchangeable mechanism for molded case circuit breaker |
| 07/02/1991 | US5029301 Limiting circuit breaker equipped with an electromagnetic effect contact fall delay device |
| 06/27/1991 | WO1991002370A3 Miniature circuit breakers |
| 06/04/1991 | US5021761 High-amp circuit breaker and a bistable element therefor |
| 05/22/1991 | EP0428168A2 Isolator switch with safety operating device |
| 05/22/1991 | EP0427826A1 Automatic cutout. |
| 05/15/1991 | CN1051455A Adjustable circuit breaker with draw out interlock |
| 05/14/1991 | US5015985 Thermally responsive switch |
| 05/14/1991 | CA2021603A1 Current limiting circuit breaker contact arm configuration |
| 05/08/1991 | CN1051268A Circuit breaker with adjustable low magnetic trip |
| 05/07/1991 | US5014025 Actuator-accessory reset arrangement for molded case circuit interrupter or electric switch |
| 05/02/1991 | EP0425103A2 Circuit breaker with adjustable low magnetic trip |
| 04/30/1991 | US5012495 Switch and circuit breaker combination device |
| 04/30/1991 | US5012053 Contact device for a switch |
| 04/24/1991 | CN1050945A Ct quick change assembly and force transitting spacer |
| 04/23/1991 | CA1283434C Molded case circuit breaker with an improved contoured cradle |
| 04/17/1991 | EP0422868A2 CT quick change assembly and force transmitting spacer |
| 04/16/1991 | US5008645 Circuit breaker with tamper indicating calibration means |
| 04/16/1991 | US5008504 Switching mechanism in circuit breaker |
| 04/16/1991 | CA1283154C Modular integral circuit interrupter |
| 04/09/1991 | US5006826 Trip device for an electrical switch and an electrical switch with this trip device |
| 04/09/1991 | US5006681 Leaf spring system and an electric switch provided with such a leaf spring system |
| 04/02/1991 | US5004994 Push-to-trip high-amp circuit breaker |
| 04/02/1991 | CA1282446C Molded case circuit breaker with combined position indicator and handle barrier |
| 04/02/1991 | CA1282445C Molded case circuit breaker with a movable electrical contact positionedby a camming leaf spring |
| 04/02/1991 | CA1282444C Molded case circuit breaker with an improved operating mechanismhaving a pivot-transfer trip-free linkage |
| 03/30/1991 | WO1991005358A1 Energy management accessory for circuit breaker |
| 03/27/1991 | EP0419325A1 Current limiting switching device |
| 03/27/1991 | EP0419276A2 Adjustable circuit breaker with draw out interlock |
| 03/27/1991 | EP0418786A2 Circuit breaker |
| 03/27/1991 | EP0418754A2 Current limiting apparatus |
| 03/23/1991 | CA2025943A1 Adjustable circuit breaker with draw out interlock |
| 03/19/1991 | US5001450 Circuit break switch |
| 03/19/1991 | US5001315 Circuit breaker auxiliary device snap-on package and method of assembling same |
| 02/28/1991 | CA2013938A1 Molded case circuit breaker with increased ampere rating |
| 02/26/1991 | US4996507 Circuit breaker |
| 02/13/1991 | CN1049243A Trip interlock design |
| 02/06/1991 | EP0411871A2 Trip interlock design |
| 02/05/1991 | US4991042 Digital circuit interrupter with keypad data entry and display |
| 02/05/1991 | US4990882 Push-button actuated overload protection switch |
| 02/05/1991 | US4990875 Circuit breaker |
| 02/05/1991 | CA2021699A1 Trip interlock design |
| 01/30/1991 | EP0410902A1 Low tension circuit-breaker for high currents with multiple contacts |
| 01/30/1991 | CN1011450B Kinematic tranmission system between the operating mechanism and poles of a moulded insulating case electrical circuit breaker |
| 01/29/1991 | WO1991002370A2 Miniature circuit breakers |
| 01/29/1991 | CA2065031A1 Miniature circuit breakers |
| 01/23/1991 | EP0408982A2 Overcurrent circuit breaker |
| 01/22/1991 | US4987395 Circuit breaker alarm-switch operating apparatus |
| 01/22/1991 | CA1279356C Operating mechanism for a low voltage electrical circuit-breaker |
| 01/09/1991 | CN2069168U Low voltage circuitbreaker |
| 01/08/1991 | US4984123 Latching switching device having current responsive release |
| 01/08/1991 | US4983939 Circuit breaker with adjustable low magnetic trip |
| 01/02/1991 | EP0406130A1 Limiting circuit-breaker provided with electromagnetic means for delaying the return movement of the contact |
| 01/02/1991 | CN1011099B Molded case circuit breaker with movable electrical contact positioned |
| 01/01/1991 | US4982174 Molded split case electromagnetic circuit breaker assembly |
| 01/01/1991 | US4982173 Rotatable trip test assembly for molded case circuit breakers |
| 12/26/1990 | CN1011001B Circuit breaker with electrical disconnect means |
| 12/26/1990 | CA2019492A1 Limiting circuit breaker equipped with an electromagnetic effect contact fall delay device |
| 12/25/1990 | US4980525 Linked circuit breakers having a handle tie bar (interlocking lever) |
| 12/19/1990 | CN2067863U Protector for phase interruption |
| 12/18/1990 | US4978816 Circuit breaker handle interlock arrangement |
| 12/05/1990 | CN1010722B Circuit breaker with arc gas vent baffle |
| 12/04/1990 | US4975667 Molded case circuit breaker with increased ampere rating |
| 11/28/1990 | EP0399282A2 An automatic magneto-thermal protection switch having a high breaking capacity |
| 11/27/1990 | US4973927 Two piece cradle latch, handle barrier locking insert and cover interlock for circuit breaker |
| 11/21/1990 | CN1047166A Circuit breaker with individual gap adjustment at high and low settings of magnetic trip |