| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 11/17/1994 | EP0624924A2 Conductive connector for switchgear |
| 11/17/1994 | DE4315773A1 Gas-tight encapsulated switching element |
| 11/16/1994 | CN1095184A Switch with fuse |
| 11/10/1994 | WO1994025973A1 Integrated electrical system |
| 11/10/1994 | DE4333200C1 Time synchronisation method |
| 11/09/1994 | CN1026536C Pneumatic operation system for breaker |
| 11/08/1994 | CA1332959C Replaceable bushing and contact assembly for blade type air insulated switchgear |
| 11/02/1994 | CN2181741Y Sulfur hexafluoride density controller |
| 11/02/1994 | CN2181740Y Mine air type isolating change-over switch |
| 11/02/1994 | CN1026438C System and method for inspection of un-normal situation of high voltage power apparatus |
| 10/27/1994 | WO1994024687A1 Axial magnetic field high voltage vacuum interrupter |
| 10/27/1994 | DE4414632A1 Vacuum switch contact arrangement |
| 10/27/1994 | CA2159917A1 Axial magnetic field high voltage vacuum interrupter |
| 10/26/1994 | EP0621616A1 Grounding switch gear device |
| 10/26/1994 | EP0621613A1 Operation mechanism of switch having three positions of operation |
| 10/26/1994 | EP0621489A2 Partial discharge detecting device for electric high voltage appliance |
| 10/26/1994 | CN1026371C Puffer type gas-insulated circuit breaker |
| 10/26/1994 | CN1026370C Gas isolated sisconnection switch and gas isolated switching device |
| 10/25/1994 | US5359174 Urethane, acrylic and melamine based resin binder containing inorganic nitrides and organic nitrogen containing compounds; ciruit breakers |
| 10/25/1994 | US5359167 Whip for a high tension section switch |
| 10/25/1994 | US5358073 Method and apparatus for tensioning an accumulator spring of a drive of a high-voltage or medium-voltage power circuit breaker |
| 10/20/1994 | DE4312620A1 Electrical switch panel |
| 10/19/1994 | EP0620578A1 Insertion device for circuit breaker |
| 10/19/1994 | EP0620575A1 Installation to switch off a H.T. circuit |
| 10/19/1994 | CN2180003Y Microwater treating device for sulfur hexafluoride breaker |
| 10/18/1994 | US5357068 Sulfur hexafluoride isolating circuit-breaker and use thereof in prefabricated stations, substations, and bays |
| 10/14/1994 | CA2121019A1 Insertion device for a circuit breaker |
| 10/12/1994 | EP0619587A1 Actuator |
| 10/12/1994 | EP0572654A4 Compact circuit breaker. |
| 10/11/1994 | US5354959 Circuit breaker |
| 10/11/1994 | US5354352 Weld resistance, voltage sustaining properties |
| 10/11/1994 | US5353594 Driving mechanism of a circuit breaker |
| 10/04/1994 | US5353186 Reactor switch |
| 09/29/1994 | WO1994022157A1 Solid state circuit breaker |
| 09/29/1994 | WO1994022155A1 System for opening/closing circuit breakers |
| 09/29/1994 | WO1994022153A1 Switching component, especially safety or power switch |
| 09/28/1994 | EP0617449A1 Switching apparatus |
| 09/28/1994 | EP0617448A1 Protection group with double interruption |
| 09/27/1994 | US5350892 Medium tension circuit-breaker for indoor or outdoor use |
| 09/26/1994 | CA2119839A1 Interruptor |
| 09/21/1994 | CN2177993Y Oil switch on column operated on ground |
| 09/14/1994 | EP0615263A1 Vacuum circuit-breaker, electrode assembly for vacuum circuit-breaker, and manufacturing method thereof |
| 09/13/1994 | US5347097 Electrical circuit breaker with rotating arc and self-extinguishing expansion |
| 09/13/1994 | US5347096 Electrical circuit breaker with two vacuum cartridges in series |
| 09/13/1994 | US5346596 Using a jumper switch |
| 09/08/1994 | DE4320910C1 Method of producing a gastight soldered connection and use of this method in the production of components having a vacuum-tight housing |
| 09/07/1994 | CN1091856A Contacts material for vacuum valve and method of manufacturing the same |
| 08/30/1994 | US5343179 Miniaturized solenoid operated trip device |
| 08/30/1994 | CA1331776C Barrier with a venting scheme for a circuit breaker |
| 08/25/1994 | DE4304921C1 Bistable magnetic drive for an electrical switch |
| 08/24/1994 | CN2175465Y High voltage switch apparatus |
| 08/23/1994 | CA1331636C Tubular supported axial magnetic field interrupter |
| 08/17/1994 | EP0610173A1 Gas-driven power switch with power-assisted piston |
| 08/16/1994 | US5339210 DC circuit interrupter |
| 08/16/1994 | CA1331470C Interrupter actuator |
| 08/10/1994 | EP0610018A1 Contact material for a vacuum switch |
| 08/10/1994 | EP0609601A2 Contact material for vacuum interrupter and method of making the same |
| 08/10/1994 | EP0609346A1 Swivel coupling. |
| 08/10/1994 | CN1025644C High-voltage circuit breaker with gas insulation and pneumatic operating mechanism |
| 08/09/1994 | CA1331399C Assemblies of ptc circuit protection devices |
| 08/04/1994 | WO1994017542A1 High-voltage power switch |
| 08/04/1994 | DE4302933A1 High voltage power switch |
| 08/03/1994 | CN2173453Y Explosion-insulated high-voltage vacuum load switch |
| 08/02/1994 | CA1331205C Current limiter |
| 08/02/1994 | CA1331204C Vacuum interrupter |
| 07/30/1994 | CA2114515A1 Miniaturized solenoid operated trip device |
| 07/27/1994 | EP0607269A1 Device for overload and short-circuit protection in electric plants |
| 07/27/1994 | CN1090087A Less-oil switch moisture-absorption ring |
| 07/26/1994 | CA2035688C Self-extinguishing high or medium voltage circuit breaker |
| 07/26/1994 | CA1331035C Arcing contact assembly for a circuit breaker |
| 07/20/1994 | EP0606265A1 Multi-pole vacuum switch with a pole operating unit for each vacuum switching tube. |
| 07/20/1994 | EP0606264A1 Vacuum switch with a drive device and a pole operating unit. |
| 07/20/1994 | EP0494151B1 Earthing switch for a metal-encapsulated high-voltage switchboard plant insulated by pressurised gas |
| 07/19/1994 | US5330702 Process for producing CuCr contact pieces for vacuum switches as well as an appropriate contact piece |
| 07/19/1994 | CA2028592C Voltage limiting circuit-breaker |
| 07/19/1994 | CA1330818C Light weight crossbar |
| 07/19/1994 | CA1330817C Moving contact blade barrier |
| 07/14/1994 | DE4340137A1 High electric DC currents polarity reversing circuit |
| 07/14/1994 | DE4300157A1 Medium voltage circuit-breaker |
| 07/13/1994 | CN1089389A Opening and closing mechanism for a medium or high voltage electrical switch |
| 07/13/1994 | CN1089388A Switch operating mechanism |
| 07/09/1994 | CA2112288A1 Circuit breaker retractable handle mechanism |
| 07/06/1994 | EP0605335A1 Electronic trip device comprising a testing device |
| 07/06/1994 | CN1025391C Circuit interrupter with parallel resistance |
| 07/06/1994 | CN1025390C Circuit breaker with incorporated varistor |
| 07/05/1994 | US5326950 Drive mechanism for an electric switch, in particular a circuit breaker or power switch |
| 07/05/1994 | CA2030980C High voltage circuit breaker with varistors protection |
| 06/29/1994 | EP0603503A1 Method for switching a fused load-break switch and fused load-break switch |
| 06/29/1994 | EP0603346A1 Automatic miniature circuit breaker with z-axis assemblable current response mechanism. |
| 06/23/1994 | WO1994014177A1 Arc extinguishing switch apparatus and method |
| 06/22/1994 | EP0602930A1 Combined interrupter-disconnect switch blade for high voltage switch |
| 06/22/1994 | EP0471678B1 Load switching device with a three-position switch |
| 06/15/1994 | EP0601941A1 Modular circuit breaker for DC |
| 06/15/1994 | EP0601672A1 Load break switch for medium voltage with a vacuum switch tube |
| 06/15/1994 | EP0500550B1 Isolator switch for metal-clad, compressed-gas-insulated high-voltage switchgear |
| 06/15/1994 | CN1025090C Medium or high tension circuit breaker haring abutting arcing contacts |
| 06/15/1994 | CA2111425A1 Combined interrupter-disconnect switch blade for high voltage switch |
| 06/14/1994 | US5321221 Self-disconnecting circuit-breaker for medium tension, and use thereof in a medium-tension station or bay |
| 06/14/1994 | CA1330224C Release mechanism for a high speed circuit breaker |
| 06/08/1994 | EP0600072A1 Trip energy monitor |