| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 07/13/2005 | EP1553611A1 Vacuum switch gear |
| 07/13/2005 | CN1639935A Gas insulated switch gear |
| 07/13/2005 | CN1639819A Control system for electrical switchgear |
| 07/13/2005 | CN1637990A Vacuum switchgear system |
| 07/13/2005 | CN1637989A Electric contacts and method of manufacturing thereof, and vacuum interrupter and vacuum circuit breaker using thereof |
| 07/13/2005 | CN1637988A Vacuum switchgear system |
| 07/13/2005 | CN1637987A Electric switcher |
| 07/13/2005 | CN1637978A Manual tripping device for magnetic operating mechanism |
| 07/13/2005 | CN1210743C Vacuum valve |
| 07/13/2005 | CN1210742C Switch device with circuit breaker, isolating switch and hydraulic driver |
| 07/13/2005 | CN1210741C Hydraulic operation device |
| 07/12/2005 | US6917269 Low-voltage circuit breaker with an electric arc extinction system |
| 07/07/2005 | WO2005062330A1 Quenching chamber and heavy-duty circuit breaker with powerful arc blow-out |
| 07/07/2005 | WO2005062329A1 Medium/high voltage switch |
| 07/07/2005 | WO2005062328A1 Medium voltage switchgear assembly |
| 07/07/2005 | WO2005062327A1 Switchgear for the medium-voltage range and high-voltage range |
| 07/07/2005 | WO2005062326A1 Capacitor switch with internal retracting impedance contactor |
| 07/07/2005 | US20050146406 Circuit-breaker |
| 07/07/2005 | DE10357407A1 Elektrische Schalteinrichtung mit einem elektrisch isolierenden Stoffgemisch Electrical switching device with an electrically insulating substance mixture |
| 07/06/2005 | EP1551048A1 Current limiting device |
| 07/06/2005 | EP1147531B1 Operating device for driving and controlling an electrical switching apparatus |
| 07/06/2005 | CN2708485Y Outdoor high-voltage self-energy sulfur hexafluoride circuit breaker |
| 07/06/2005 | CN2708484Y Outdoor high-voltage sulfur hexafluoride circuit breaker |
| 07/06/2005 | CN2708483Y Switch linkage shaft for power distribution switchgear |
| 07/06/2005 | CN2708482Y Three phase linkage AC high-voltage switchgear |
| 07/06/2005 | CN2708481Y Operating mechanism for high-voltage load switch |
| 07/06/2005 | CN2708471Y Transmission device in electric operating machanism of circuit breaker |
| 07/06/2005 | CN1209777C Arc extinguishing equipment for circuit breaker with plastic shell |
| 07/06/2005 | CN1209776C Circuit breaker forced arc extinguisher |
| 06/30/2005 | WO2005059938A1 Nozzle for a gas-insulated switching device and related switching device |
| 06/30/2005 | US20050141176 Vacuum switchgear system and kit for system |
| 06/30/2005 | US20050141175 Armoured station element articulated to the ground |
| 06/30/2005 | US20050139579 Vacuum switchgear system |
| 06/30/2005 | US20050139462 Switching mechanism for a manual motor starter |
| 06/30/2005 | DE10355568A1 Schaltgerät für den Mittel- und Hochspannungsbereich Switching device for medium and high voltage |
| 06/30/2005 | DE10354594A1 Antriebseinheit eines Schaltgerätes einer gasisolierten Schaltanlage und Baukastensystem zur Bildung einer Antriebseinheit Drive unit of a switching device insulated switchgear and modular system for forming a drive unit |
| 06/29/2005 | EP1548783A2 Switching mechanism for a manual motor starter |
| 06/29/2005 | EP1548780A1 Extinguishing chamber and high power circuit breaker with a strongly blown arc |
| 06/29/2005 | EP1548779A2 Vacuum switchgear system |
| 06/29/2005 | EP1548778A1 Vacuum switchgear system |
| 06/29/2005 | EP1273019B1 Filter bag |
| 06/29/2005 | CN2706854Y Outdoor high-voltage vacuum circuit breaker with supporter |
| 06/29/2005 | CN1208797C Switch device |
| 06/23/2005 | US20050135030 Switchgear with embedded electronic controls |
| 06/23/2005 | US20050135029 Gas insulating apparatus and method for locating fault point thereof |
| 06/23/2005 | US20050135028 Gas insulating apparatus and method for locating fault point thereof |
| 06/23/2005 | US20050133481 Bellows for use in vacuum capacitor |
| 06/22/2005 | EP1544881A1 Nozzle for a gas-insulated switching device and related switching device |
| 06/22/2005 | CN1629994A Integral CB-level automatic change-over electric appliance |
| 06/21/2005 | CA2214286C Switchgear assembly |
| 06/16/2005 | WO2005055263A1 Electrical switching device comprising an electrically insulating substance mixture |
| 06/16/2005 | US20050128662 Capacitor switch with internal retracting impedance contactor |
| 06/15/2005 | EP1540683A2 High-voltage loadbreak switch with enhanced arc suppression |
| 06/15/2005 | EP1456862B1 Solder ring for production of vacuum tube and method for the production of such a solder ring and of a vacuum tube |
| 06/15/2005 | CN1627581A Gas-insulated switchgear |
| 06/15/2005 | CN1627465A Movable electrode bearing structure for switch |
| 06/15/2005 | CN1627464A 开关 Switch |
| 06/15/2005 | CN1206685C Vacuum breaker used for vacuum switch |
| 06/15/2005 | CN1206684C Vacuum insulation switchgear and making method thereof |
| 06/09/2005 | US20050121418 Gas-insulated switchgear |
| 06/09/2005 | DE20320783U1 Switching system for interrupting electric current, especially in medium voltage range, has field control elements of ferromagnetic material for shielding parasitic magnetic fields |
| 06/09/2005 | DE10353497A1 Schalteinrichtung Switching device |
| 06/09/2005 | DE10352517A1 A method for heating encapsulated gas filled three phase power switches has three resistance heaters switched between delta and star connection by thermostats |
| 06/09/2005 | DE10350578A1 Gasdichtes Kapselungsgehäuse eines elektrischen Schaltgerätes Gas-tight encapsulating an electrical switching device |
| 06/08/2005 | EP1538650A2 Isolator/circuit-breaker device for electric substations |
| 06/08/2005 | EP1537425A1 Method and apparatus for detecting wear in components of high voltage electrical equipment |
| 06/08/2005 | CN2704102Y Longitudinal vacuum circuit breaker driving mechanism |
| 06/08/2005 | CN2704101Y Control device for long-distance remote control high-tension switch |
| 06/08/2005 | CN2704100Y Operating and controlling mechanism for high tension switch |
| 06/08/2005 | CN1624845A Series outdoor vacuum circuit breaker |
| 06/08/2005 | CN1205635C Contact area for power switch |
| 06/08/2005 | CN1205634C Terminal conductor for vacuum switch |
| 06/08/2005 | CN1205633C SF-6 gas-insulated switch installation for electricity distribution supply networks |
| 06/08/2005 | CN1205631C Power circuit breaker with gap between molded insulative casing and grounded barrier insulating operating mechanism |
| 06/08/2005 | CN1205482C Partial discharge monitoring system for transformers |
| 06/07/2005 | US6903295 Fluid pressure operating apparatus for circuit breaker |
| 06/07/2005 | US6902409 Device for earthing a switching device arranged in a module frame in a displaceable manner |
| 06/02/2005 | WO2005050688A1 Drive unit of a switching device for gas-insulated switchgear and kit system for creating a drive unit |
| 06/02/2005 | WO2005050684A1 Inductive drive for a disconnect and/or grounding switch |
| 06/02/2005 | WO2004077469A3 Axial magnetic field vacuum fault interrupter |
| 06/02/2005 | US20050115927 Vacuum switch |
| 06/02/2005 | DE4422316B4 Vakuumschaltröhre mit ringförmigem Isolator Vacuum interrupter of annular insulator |
| 06/02/2005 | DE10345502A1 Antrieb für ein Schaltgerät Drive for a switching device |
| 06/01/2005 | EP1536444A1 On-load disconnector for power lines, particularly for railroad power lines |
| 06/01/2005 | EP1535295A1 Vacuum arc interrupter having a bullet assembly actuated by a gas generating device |
| 06/01/2005 | CN2703346Y Withdrawing switch cubicle drawer propulsion interlocking mechanism |
| 06/01/2005 | CN2703318Y Small size vacuum loading switch-combined electric appliance |
| 06/01/2005 | CN1204668C Vacuum circuit breaker |
| 06/01/2005 | CN1204581C Vacuum switch tubes |
| 05/26/2005 | WO2005048281A1 Switching device |
| 05/26/2005 | WO2004114491A3 Circuit breaker with bonded bushing insulators |
| 05/25/2005 | EP1155487A4 Circuit breaker |
| 05/25/2005 | CN2702430Y Easily adjustable outdoor high-voltage vacuum circuit breaker |
| 05/25/2005 | CN1619745A Vacuum switchgear |
| 05/25/2005 | CN1619744A Pouring sealing method of vacuum arc quenching chamber |
| 05/25/2005 | CN1619716A Method for forming grounding layer of moulded electrical appliance and external surface grounded moulded electrical appliance |
| 05/24/2005 | US6897396 Switch gear and method of manufacturing thereof |
| 05/21/2005 | CA2476209A1 Magnetic latching solenoid |
| 05/19/2005 | WO2005045865A1 Gas-tight encapsulating casing of an electric switchgear |
| 05/19/2005 | WO2004109880A3 Switch assembly |