Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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01/01/2002 | CA2054509C Multipore rotary switch |
12/27/2001 | WO2001099132A1 Vacuum interrupter with two contact systems |
12/26/2001 | CN2468143Y Non-load capacitor tap changer |
12/26/2001 | CN1076858C Vertical antitracking skirts |
12/25/2001 | US6333846 Power supply shut-off apparatus |
12/19/2001 | EP0992046B1 Low-voltage power switch with an actuating shaft |
12/19/2001 | CN1076514C Cut-off device for metal-enclosed and gas insulated high voltage switch device |
12/13/2001 | WO2001095359A1 Compact disconnect switch |
12/12/2001 | CN2465302Y Wall penetrating single isolation support isolating switch |
12/04/2001 | US6326567 Multi-pole breaker assembly |
11/21/2001 | EP1156502A1 Actuator of power load-break switch |
11/21/2001 | EP1155428A1 Drive device for a switching device, especially for earthing switches of medium-voltage switchgear |
11/21/2001 | EP1068659B1 Encapsulating module with a three-phase switching device for a gas-insulated high-voltage switching installation |
11/15/2001 | US20010040146 Vacuum switch and vacuum switchgear using the same |
11/14/2001 | CN2459745Y Interlocking spring action mechanism for switching on of high voltage circuit breaker |
11/08/2001 | WO2001084580A1 Fuse cutout with mechanical assist |
11/07/2001 | EP1152444A1 Switch gear |
11/07/2001 | CN1320941A Vacuum insulation switchgear and making method thereof |
11/01/2001 | US20010035397 Vacuum switch |
10/31/2001 | EP1150405A2 Vacuum insulated switch gear and production method thereof |
10/31/2001 | EP0917752B1 Power switch installation with disconnecting functions |
10/23/2001 | CA2243612C Hybrid line and ground switch |
10/17/2001 | CN2454889Y High-voltage isolation-type fuse switch |
10/10/2001 | CN2453533Y Electric driving means for high voltage isolation load switch |
10/09/2001 | US6300585 Operation counter for a circuit interrupter |
10/04/2001 | EP1139362A2 Contact assembly |
10/03/2001 | CN1072405C Switching device and insulated type switching device with same |
10/03/2001 | CN1072386C 断路器 Breaker |
09/26/2001 | EP1137031A2 Contact arrangement foe electromagnetic switch gear, in particular for contactors |
09/20/2001 | WO2001069742A1 Gas-insulated switchgear apparatus |
09/20/2001 | DE10014055A1 Fused switching device for cable distribution box has separation device operated for removal of switch cover incorporating replaceable fuse |
09/20/2001 | DE10013232A1 Outdoor multiphase encapsulated gas-insulated high-voltage (HV) switching equipment |
09/13/2001 | DE10109091A1 Low voltage HRC fused switch such as low voltage HRC fused isolating switch for electrical power system, has housing and cover including at least one fuse insert and at least one opening. |
09/05/2001 | EP1004159A4 A link switch |
08/29/2001 | EP1127362A1 Quick-release switch with forced opening with improved mounting tolerance |
08/22/2001 | EP1126484A2 Switchgear |
08/22/2001 | CN1309404A Switching device |
08/16/2001 | WO2001059796A1 Contact arrangement for a grounding switch in switchgears which are provided for supplying and distributing power |
08/16/2001 | EP1124241A1 Vacuum switch gear |
08/16/2001 | EP1124240A2 Vacuum switch |
08/15/2001 | CN1308355A Vacuum switch device |
08/15/2001 | CN1308349A Contact arranging device for earthing switch in power supplying and distributing equipment |
08/15/2001 | CN1069781C Interlock arrangement for stationary mounted circuit breakers |
08/09/2001 | WO2001057896A1 Circuit breaker |
08/09/2001 | WO2001057544A1 Capacitance monitoring systems |
08/09/2001 | DE10006821A1 Kontaktanordnung für einen Erdungsschalter in Schaltanlagen der Energieversorgung und -verteilung Contact arrangement for a grounding switch in the switching power supply and distribution |
08/09/2001 | DE10002800A1 NH-Sicherungsleiste NH-fuse block |
08/08/2001 | CN2442420Y Interlock device for switching cabinet |
08/08/2001 | CN2442378Y Super high voltage isolating switch |
08/02/2001 | DE10004739A1 Leistungsschaltereinrichtung mit Sammelschienenanschlüssen und Abzweigleitungen Circuit breaker device with busbar connections and branch lines |
08/01/2001 | EP1120804A1 Vacuum switch and vacuum switchgear using the switch |
07/31/2001 | US6268579 Vacuum switchgear |
07/25/2001 | EP1119011A1 Vacuum switch and vacuum switch gear using the vacuum switch |
07/25/2001 | EP1119010A1 Vacuum switch and vacuum switch gear using the vacuum switch |
07/25/2001 | EP1119009A1 Vacuum switch and vacuum switch gear |
07/25/2001 | CN1305208A Switch mechanism and its manufacturing method |
07/18/2001 | CN1068701C Gas insulated switch gear device and method of assembling the same |
07/12/2001 | WO2001050562A1 Isolator switch |
07/12/2001 | CA2395665A1 Isolator switch |
07/10/2001 | US6259051 Vacuum switch and a vacuum switchgear using the same |
07/10/2001 | US6259050 Burn-off contact arrangement |
07/03/2001 | US6255615 Multiple contact switch |
06/26/2001 | USRE37244 Insulated type switching device |
06/26/2001 | US6252763 Gas-insulated electrical apparatus |
06/21/2001 | US20010004067 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof |
06/20/2001 | EP1109278A2 Low voltage fuse or power switch fuse with cable channel |
06/20/2001 | EP1109192A2 Conductor for a current transformer for a low voltage-high power fuse or load-break device |
06/20/2001 | EP1109186A2 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof |
06/20/2001 | CN1300092A Vacuum switch containing vacuum measuring device, switch device and operation method |
06/13/2001 | EP1107409A1 Switchgear and method of manufacturing thereof |
06/13/2001 | EP1105896A1 Step switch with selector |
06/13/2001 | EP1105894A1 Switching device for connecting and disconnecting or connecting track sections to the ground in catenary systems |
06/07/2001 | WO2001041172A1 Actuator of power load-break switch |
06/07/2001 | US20010002666 Switch gear and method of manufacturing thereof |
06/06/2001 | CN1298550A Housing for fused switch |
06/05/2001 | US6242708 Isolator switch |
05/31/2001 | WO2001039223A1 Device for controlling the closing of a power circuit breaker |
05/31/2001 | US20010002118 Breaker apparatus |
05/25/2001 | WO2001037301A1 Operating arrangement for mechanism |
05/17/2001 | WO2001035431A1 Switch gear |
05/10/2001 | WO2001033593A1 Compact-structure three-pole apparatus for electric stations |
05/08/2001 | US6229109 Power circuit breaker with rack-pinion operating mechanism for movable contact |
05/03/2001 | US20010000596 Breaker apparatus |
05/02/2001 | CN2428850Y Multifunction insulation operation rod |
04/26/2001 | WO2001029945A1 Electrical switch with a metallic compartmented jacket for positioning disconnectors |
04/26/2001 | CA2381858A1 Electrical switch with a metallic compartmented jacket for positioning disconnectors |
04/19/2001 | DE19949493A1 Electrical earthing switch has fixed contact engaged by pair of moving contact blades, with pre-arcing horn section to reduce duration of arcing |
04/18/2001 | CN1291816A Gas insulating switch device |
04/07/2001 | CA2322901A1 Gas insulating switchgear |
04/04/2001 | CN1064172C Connector of terminal |
04/03/2001 | US6211768 Non-venting cutout mounted fuse |
04/03/2001 | US6211479 Persistent current circuit switch |
04/03/2001 | US6211478 Switching arrangement and method for its production |
03/29/2001 | DE19957391C1 Power switch control has a display which is set by the operating parameters against reassertion forces with an engaged coupling which is moved into the inoperative setting when the display is at the not-ready position |
03/22/2001 | WO2001020633A1 Apparatus for assisting the manipulation of overhead mounted devices by a handling tool |
03/22/2001 | CA2350948A1 Apparatus for assisting the manipulation of overhead mounted devices by a handling tool |
03/20/2001 | US6205018 Air insulated switchgear with operating device for effect circuit breaker |
03/14/2001 | EP1082791A1 Encapsulation module with a combined disconnecting-earthing switch for a gas-insulated switchgear |
03/06/2001 | US6196858 Circuit breaking device |
02/28/2001 | CN1285604A High-voltage circuit breaker with high-speed moved moveable contact |