| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 03/09/2005 | EP1512160A1 High voltage shielded gear comprising a circuit breaker with closure resistor mounted in a conducting bar |
| 03/09/2005 | CN2684366Y Vacuum circuit breaker terminal |
| 03/09/2005 | CN2684365Y A single-coil electromagnetism operated permanent-magnet retention mechanism |
| 03/09/2005 | CN2684356Y Push and pull type bistable permanent-magnet operating mechanism |
| 03/09/2005 | CN1592995A Air insulation opening or closing device |
| 03/09/2005 | CN1192408C Vacuum contactor |
| 03/08/2005 | US6865072 Metal-enclosed switchgear |
| 03/08/2005 | US6864456 Vacuum interrupter chamber with ring-shaped insulator |
| 03/03/2005 | US20050045595 Pressure-limiting valve for a puffer interrupter assembly |
| 03/02/2005 | CN2682567Y Permanent-magnet operating mechanism controller for vacuum circuit breaker |
| 03/02/2005 | CN2682566Y Electric operating mechanism of AC high voltage isolator |
| 03/02/2005 | CN2682553Y Mechanical permanent-magnet mechanism hand operated tripping device |
| 03/02/2005 | CN2682552Y Permanent-magnet mechanism with built-in under-voltage release |
| 02/24/2005 | US20050040020 Electric contacts, electric contact apparatus and method for detecting abrasion of the electric contacts |
| 02/24/2005 | DE10260258B4 Verfahren und Vorrichtung zur Bestimmung der Restlebensdauer eines Schaltgerätes Method and apparatus for determining the remaining service life of a switching device |
| 02/23/2005 | EP1508908A2 Electric contacts, electric contact apparatus and method for detecting abrasion of the electric contacts |
| 02/23/2005 | CN1190813C Contact mechanism of switch device |
| 02/23/2005 | CN1190812C Arc-suppressing device and switch with said device and method for arc-suppressing |
| 02/22/2005 | US6859350 Device for controlling an electric switchgear and related method |
| 02/22/2005 | US6858172 Current sensor supporting structure |
| 02/16/2005 | CN2679823Y 片式高压开关 Chip High Voltage Switchgear |
| 02/15/2005 | US6855903 Vacuum switch |
| 02/15/2005 | US6855902 Self bouncing arc switch |
| 02/10/2005 | WO2005013305A1 Current limiting device |
| 02/10/2005 | WO2005013304A1 Operating unit for switchgear |
| 02/10/2005 | US20050029001 Molded electric device and method for making molded electric device |
| 02/10/2005 | DE10331822A1 Schiffs-Leistungsschalter sowie einen solchen enthaltende Schiffs-Energieversorgungs- und -verteilungsanlage Ship breaker and containing such a ship power supply and distribution installation |
| 02/09/2005 | EP1504509A1 Gas-insulated electrical installation provided with a device for dissipating energy produced by an electric arc |
| 02/09/2005 | EP1504508A1 Switching installation provided with an electrically insulating barrier |
| 02/09/2005 | EP1504461A2 Drive rod for switch |
| 02/09/2005 | CN2678104Y Outdoor vacuum cirucit breaker |
| 02/09/2005 | CN2678103Y Main radiation fin of high-voltage vacuum circuit breaker |
| 02/09/2005 | CN2678102Y Permanent magnetic electric control mechanism of vacuum circuit breaker |
| 02/09/2005 | CN1578996A Driving mechanism for vacuum switching tube and vacuum breaker |
| 02/09/2005 | CN1578033A Pressure container |
| 02/09/2005 | CN1577686A Contact finger for a high-power switchgear |
| 02/09/2005 | CN1577682A Molded electric device and molding method thereof |
| 02/09/2005 | CN1577681A Shaft, method for producing it and device for carrying out the method |
| 02/09/2005 | CN1577680A High-power switchgear with cooling rib arrangement |
| 02/09/2005 | CN1188940C Plug-in circuit breaker comprising operating lever for opening and closing of poles |
| 02/09/2005 | CN1188883C Insulating switch apparatus |
| 02/09/2005 | CN1188876C Circuit interrupter and operating mechanism therefor |
| 02/08/2005 | US6853528 Gas insulating apparatus and method for locating fault point thereof |
| 02/08/2005 | US6853525 Vacuum arc interrupter actuated by a gas generated driving force |
| 02/08/2005 | US6853524 Vacuum arc interrupter having a tapered conducting bullet assembly |
| 02/08/2005 | US6852939 Electrical circuit interrupting device |
| 02/08/2005 | CA2326091C Phase control switch apparatus |
| 02/08/2005 | CA2310619C Arcing fault protection system for a switchgear enclosure |
| 02/02/2005 | EP1502272A1 Electric switching device with a cooling device |
| 02/02/2005 | EP1502271A1 Interrupter unit for a high-voltage power switch |
| 02/02/2005 | CN1574146A Main switch conveying apparatus for vacuum circuit breaker |
| 02/02/2005 | CN1574138A Shutoff device |
| 02/02/2005 | CN1574137A Interlocking device of open-close device |
| 02/02/2005 | CN1187779C Interrupter for circuit breaker |
| 02/01/2005 | US6850399 Gas insulated device and failure rating method |
| 02/01/2005 | US6849971 Drive devices for interrupter units in power supply and distribution switchgear |
| 02/01/2005 | US6849819 High-voltage or medium-voltage switch device with combined vacuum and gas breaking |
| 02/01/2005 | CA2240078C Electric current switching apparatus with arc spinning extinguisher |
| 01/27/2005 | US20050016963 Vacuum encapsulation having an empty chamber |
| 01/27/2005 | DE10305169B4 Anordnung mit einer Vakuumschaltröhre Arrangement with a vacuum interrupter |
| 01/26/2005 | EP1501101A2 Molded electric device and molding method thereof |
| 01/26/2005 | EP1281188B1 Power circuit breaker with air gap between molded insulative casing and grounded barrier insulating operating mechanism |
| 01/26/2005 | CN2674619Y Vacuum breaker with chassis vehicle |
| 01/26/2005 | CN1572008A Switchgear |
| 01/26/2005 | CN1571086A Open-circuit method for breaker of power generator and its control equipment |
| 01/26/2005 | CN1186795C High-voltage circuit breaker with discharge channel |
| 01/26/2005 | CN1186794C Apparatus for supporting subassembly of vacuum circuit breaker during making process and related method |
| 01/26/2005 | CN1186793C High-voltage electric switch unit with composite motion |
| 01/26/2005 | CN1186792C 断路器 Breaker |
| 01/20/2005 | WO2005006368A1 Method and device for power braking with a fluid-operated liquid metal current switch |
| 01/20/2005 | WO2005006366A1 Circuit breaker for a boat, and power supply and distribution system for a boat, which contains such a circuit breaker |
| 01/20/2005 | US20050013080 Method for predicting a future voltage and/or current curve |
| 01/20/2005 | US20050013077 Circuit breakers with integrated current and/or voltage sensors |
| 01/20/2005 | DE10261811B4 Elektromagnetischer Antrieb Electromagnetic actuator |
| 01/19/2005 | EP1366501B1 Low-voltage circuit breaker with an electric arc extinction system |
| 01/19/2005 | CN2672838Y High voltage vacuum switch good for frequently switching |
| 01/19/2005 | CN2672837Y Electric arc extinguishing isolation switch |
| 01/19/2005 | CN1185668C Light controlled modular high-pressure vacuum switch |
| 01/19/2005 | CN1185667C Method for installing steam baffle into vacuum current breaker and vacuum current breaker set with same |
| 01/18/2005 | US6844514 Arc extinguisher with an attachment for low voltage switchgear |
| 01/13/2005 | WO2004077470A3 A self-fixturing system for a vacuum interrupter |
| 01/13/2005 | US20050007742 High-power switchgear with cooling rib arrangement |
| 01/13/2005 | US20050006349 Hydraulic operating apparatus for switch |
| 01/12/2005 | EP1496535A1 Vacuum valve |
| 01/12/2005 | EP1496534A1 High power circuit breaker with heat sink rib assembly |
| 01/12/2005 | CN2671111Y Separated permanent magnetic vacuum breaker |
| 01/12/2005 | CN2671110Y Arc eliminating chamber actuator for vacuum isolating load switch |
| 01/12/2005 | CN2671104Y Moving permanent magnetic actuator |
| 01/12/2005 | CN1564288A Permanent-magnet pulse electric operation mechanism having emergency sub-switching gear |
| 01/12/2005 | CN1184655C Contact for integrated multi-pole power switch with longitudinal magnetic field |
| 01/06/2005 | US20050000944 Contact finger for a high-power switchgear |
| 01/06/2005 | US20050000722 Shaft, method for producing it and device for carrying out the method |
| 01/05/2005 | EP1494254A1 Force transmission element, method and apparatus for producing it |
| 01/05/2005 | EP1494252A1 Contact finger for power circuit breaker with leaf spring |
| 01/05/2005 | EP1493165A1 Cermic tube for vacuum circuit breaker |
| 01/05/2005 | DE10253866B4 Kontaktstück mit abgerundeten Schlitzkanten Contact piece with rounded slot edges |
| 01/05/2005 | CN2669344Y Polar-column for high-voltage vacuum circuit breaker |
| 01/05/2005 | CN2669343Y Automatic-isolation apparatus of high-voltage isolation switch |
| 01/05/2005 | CN1183570C Consumptive-type switch device |
| 01/05/2005 | CN1183569C Pecker |