| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 06/27/2007 | CN2916909Y Switching device for parallel vacuum arc-extinguishing chamber |
| 06/27/2007 | CN2916908Y Vacuum switch with upper and lower isolating structures |
| 06/27/2007 | CN2916907Y Bidirectional releasing mechanism on high voltage switch |
| 06/27/2007 | CN2916906Y High voltage load switch |
| 06/27/2007 | CN2916647Y High voltage switch insulation measuring apparatus |
| 06/27/2007 | CN2916607Y Portable mechanical property tester for breaker |
| 06/27/2007 | CN1988092A Automatic and mutual automatic locking device for high voltage load double switch power |
| 06/27/2007 | CN1323412C Switching mechanism for a manual motor starter |
| 06/27/2007 | CN1323411C 开关 Switch |
| 06/27/2007 | CN1323410C Contactor |
| 06/26/2007 | US7236351 Armoured station element articulated to the ground |
| 06/21/2007 | WO2007070700A2 Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device |
| 06/21/2007 | WO2007069686A1 Vacuum capacitor and vacuum valve |
| 06/21/2007 | WO2007068693A1 Load interrupter for an encapsulated switchgear and permanent magnet system for a load interrupter |
| 06/21/2007 | WO2007068686A1 Electric switchgear, particularly high-voltage circuit-breaker, comprising a housing |
| 06/21/2007 | WO2007068218A1 Vacuum interrupter |
| 06/21/2007 | DE19730583B4 Druckgasschalter Gas pressure switch |
| 06/21/2007 | CA2632029A1 Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device |
| 06/20/2007 | CN2914304Y Permanent magnetism intelligent mechanism low-voltage vacuum breaker |
| 06/20/2007 | CN2914303Y Isolating switch electric operating mechanism |
| 06/20/2007 | CN2914302Y Vacuum loaded switch |
| 06/20/2007 | CN2914285Y Portable flameproof vacuum switch door |
| 06/20/2007 | CN1983487A Circuit-breaker |
| 06/20/2007 | CN1322647C Pressure container |
| 06/20/2007 | CN1322646C Metallic locking shutter |
| 06/14/2007 | DE102005060633A1 Lasttrennschalter für eine gekapselte Schaltanlage Switch disconnectors for an enclosed switchgear |
| 06/14/2007 | DE102005059186A1 Verfahren zur Behandlung von Hochspannungs-Isolierstoffelementen sowie Hochspannungs-Isolierstoffelement A method for the treatment of high-voltage and high-voltage Isolierstoffelementen Insulating |
| 06/13/2007 | EP1796234A1 Switchgear assembly |
| 06/13/2007 | EP1796119A1 Interrupting chamber for high-voltage switch with a heating chamber for extinguishing gas reception |
| 06/13/2007 | EP1794350A1 Method for producing an arc-erosion resistant coating and corresponding shield for vacuum arcing chambers |
| 06/13/2007 | CN2911949Y Emergency cut-off means of high voltage breaker |
| 06/13/2007 | CN2911941Y SF6 gas reclaiming apparatus for GIS combined electrical appliances |
| 06/13/2007 | CN2911940Y Chassis interlocking gear of high voltage breaker |
| 06/13/2007 | CN2911939Y Novel magnetic driver for circuit breaker |
| 06/13/2007 | CN2911938Y Active contactor of small circuit breaker |
| 06/13/2007 | CN2911914Y Composite copper/aluminum conducting pole |
| 06/13/2007 | CN1981355A Arc-extinguishing composition and articles manufactured therefrom |
| 06/13/2007 | CN1981354A Vacuum interrupter and contact arrangement for a vacuum interrupter |
| 06/12/2007 | US7230354 Driver system for MOSFET based, high voltage, electronic relays for AC power switching and inductive loads |
| 06/12/2007 | US7230304 Electric contacts and method of manufacturing thereof, and vacuum interrupter and vacuum circuit breaker using thereof |
| 06/12/2007 | CA2316801C Remote trip mechanism of a switch device |
| 06/07/2007 | WO2007064535A1 Electromagnetic actuator |
| 06/07/2007 | WO2007063004A1 Method for handling of high-voltage dielectric elements, as well as a high-voltage dielectric element |
| 06/06/2007 | EP1792325A1 Pressure-sensitive elastomer layer in circuit-breaker poles insulated by solid material |
| 06/06/2007 | EP1537425B1 Method and apparatus for detecting wear in components of high voltage electrical equipment |
| 06/06/2007 | DE19900771B4 Umschaltventil eines hydraulischen Antriebes für eine Betätigungseinrichtung, insbesondere ein Schaltgerät Change-over valve of a hydraulic drive for an actuator, in particular a switching device |
| 06/06/2007 | CN2909497Y Operation mechanism of outdoor high voltage vacuum circuit breaker |
| 06/06/2007 | CN2909496Y Isolating switch with heavy balance device |
| 06/06/2007 | CN2909495Y Double-break combined column superhigh voltage multi-speed breaking circuit breaker |
| 06/06/2007 | CN1975953A High-voltage vacuum switch with vacuum monitor |
| 06/06/2007 | CN1320574C Interrupter unit for a high-voltage power switch |
| 06/06/2007 | CN1320573C Closed switching device |
| 06/06/2007 | CN1320572C Screening electrode |
| 06/06/2007 | CN1320562C Method for forming grounding layer of moulded electrical appliance and external surface grounded moulded electrical appliance |
| 06/05/2007 | US7225676 Method and apparatus for the detection of high pressure conditions in a vacuum switching device |
| 05/31/2007 | US20070119820 Power Module |
| 05/31/2007 | US20070119819 Axial current interrupter |
| 05/31/2007 | US20070119818 Compressed-gas-insulated switch-disconnector module and bushing configuration |
| 05/31/2007 | DE102005014206B4 Verfahren zur Herstellung eines Mittelspannungs- oder Hochspannungsschalter für Freiluftanwendung A process for the preparation of a medium or high-voltage switch for open-air application |
| 05/30/2007 | EP1680792A4 Shielded encapsulated vacuum interrupter |
| 05/30/2007 | CN2906891Y Vacuum arc-extinguishing chamber contact |
| 05/30/2007 | CN2906890Y Contact force reinforcement mechanism for vacuum arc extinguishing unit |
| 05/30/2007 | CN2906889Y Spring-actuated mechanism |
| 05/30/2007 | CN2906888Y Permanent magnetic actuating mechanism of high-power switch |
| 05/30/2007 | CN2906887Y Multi-stage arc extinguishing breaking device for extra high voltage breaker |
| 05/30/2007 | CN2906865Y Electric actuating mechanism for HV isolation and earthed switch |
| 05/30/2007 | CN1971788A Driver of electromagnetic permanent-magnet mechanism |
| 05/30/2007 | CN1319233C Gas insulating opening and closing apparatus |
| 05/30/2007 | CN1319232C 开关装置 Switching device |
| 05/30/2007 | CN1319095C Asymmetric double coil type permanent-magnetic mechanism |
| 05/30/2007 | CN1319094C Energy storage mechanism for air circuit breaker |
| 05/30/2007 | CN1319093C Movable electrode bearing structure for switch |
| 05/29/2007 | US7223932 Vacuum Switchgear |
| 05/23/2007 | EP1787307A1 Arc-extinguishing composition and articles manufactured therefrom |
| 05/23/2007 | CN2904264Y Circuit arrangement for controlling mechanoelectric driver |
| 05/23/2007 | CN2904263Y Spring hydraulic operating mechanism for high voltage circuit breaker |
| 05/23/2007 | CN2904262Y Breakpoint visual isolation switch |
| 05/23/2007 | CN1969353A Switching contact comprising annular supporting body for vacuum interrupters |
| 05/23/2007 | CN1317726C Construction unit for accepting absorbers |
| 05/22/2007 | US7220933 Arc quenching device for circuit breakers |
| 05/18/2007 | WO2007056619A1 Vacuum switchgear assembly, system and method |
| 05/18/2007 | WO2007055830A2 Circuit interrupter assembly and method of making the same |
| 05/18/2007 | CA2629439A1 Vacuum switchgear assembly, system and method |
| 05/18/2007 | CA2626308A1 Circuit interrupter assembly and method of making the same |
| 05/17/2007 | US20070108164 Vacuum switchgear assembly, system and method |
| 05/16/2007 | DE202007003867U1 Vakuumunterbrecher Vacuum interrupter |
| 05/16/2007 | CN1965456A Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line |
| 05/16/2007 | CN1965382A Circuit breaker |
| 05/16/2007 | CN1963972A High voltage vacuum circuit breaker with high rated current value |
| 05/16/2007 | CN1963971A High voltage vacuum circuit breaker with high rated current |
| 05/16/2007 | CN1963970A Vacuum switchgear |
| 05/16/2007 | CN1316528C Fluid pressure operating apparatus for circuit breaker |
| 05/16/2007 | CN1316527C Electric contact arrangement |
| 05/15/2007 | US7218493 Circuit breakers with integrated current and/or voltage sensors |
| 05/10/2007 | WO2007051778A1 Current interrupter device having a double compression chamber |
| 05/10/2007 | WO2007051436A1 Vakuumisoliertes schaltgerat |
| 05/10/2007 | WO2007051320A1 Self-blowing switch with gas precompression |
| 05/10/2007 | US20070102401 Connector and electronic element thereof |
| 05/10/2007 | US20070102269 Drive for switching device |
| 05/10/2007 | DE102005053448A1 Circuit breaker, has parallel current path switchable by switching unit provided in parallel current path, and forming part of electric arc in on-position of switching unit, where electric arc is formed at switching unit |