| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 04/17/2002 | CN1345475A 断路器 Breaker |
| 04/17/2002 | CN1345079A 断路器 Breaker |
| 04/17/2002 | CN1083144C 高压开关 High Voltage Switchgear |
| 04/16/2002 | US6373675 Operating apparatus for switching device |
| 04/16/2002 | US6373669 Process and arrangement for selective network monitoring for switchgear |
| 04/16/2002 | US6373358 Power circuit breaker having molded insulative casing with a dead front |
| 04/16/2002 | US6373015 Integral load connector module |
| 04/16/2002 | US6373014 Current limiting device and circuit interrupter having a current limiting function |
| 04/16/2002 | US6371265 Electric railway vehicle and an electric powering unit in particular for such a vehicle |
| 04/11/2002 | WO2002029839A1 Capacitive control of at least one vacuum interrupter chamber |
| 04/11/2002 | WO2001086769A3 Power circuit breaker with air gap between molded insulative casing and grounded barrier insulating operating mechanism |
| 04/11/2002 | WO2001086678A3 Power circuit breaker having molded insulative casing with a dead front |
| 04/11/2002 | WO2001086675A3 Flexible shunt for electric power switch |
| 04/11/2002 | DE10048838A1 Kapazitive Steuerung mindestens einer Vakuum-Schaltkammer Capacitive controlling at least one vacuum interrupter |
| 04/10/2002 | EP1195788A1 Circuit breaker pole for vacuum tube |
| 04/10/2002 | EP0956579B1 Switching device with under-voltage auxiliary release |
| 04/10/2002 | EP0917721B1 Sf6 gas-insulated switch installation for electricity distribution supply networks |
| 04/10/2002 | CN1343999A Method and apparatus for assemlbing steam baffle into vacuum current breaker and vacuum current breaker set with same |
| 04/10/2002 | CN1082711C Circuit-breaker operating mechanism with locking device capable of tripping when short circuit |
| 04/10/2002 | CN1082710C Electrical spring operation mechanism for opening and closing machine |
| 04/09/2002 | US6367308 Method of measuring the density of a dielectric gas in a buried metal-clad line |
| 04/09/2002 | CA2026401C Solid state overload relay |
| 04/04/2002 | WO2002027742A1 Arc protection relay |
| 04/04/2002 | US20020039268 Arc protection relay |
| 04/03/2002 | EP1192631A1 Encapsulated magnetically actuated vacuum interrupter with integral bushing connector |
| 04/03/2002 | EP1192630A1 Electric switching device |
| 04/03/2002 | EP1123553B1 Switchgear with switching devices arranged in housings |
| 04/03/2002 | CN1082236C Current-limiting apparatus |
| 04/02/2002 | US6365863 High voltage circuit-breaker with a counter-contact which can be actuated |
| 03/28/2002 | US20020036185 Gas-insulated circuit-breaker with an integrated electronic current transformer |
| 03/28/2002 | US20020036184 Circuit breaker having hybrid arc extinguishing function |
| 03/28/2002 | DE10056646C1 Receiving device used for switching tubes of power switches, comprises a shell-like insulating housing comprising thin wall insulating struts, thick wall struts and a support provided in the back wall region |
| 03/27/2002 | EP1191564A1 Gas insulated circuit breaker with integrated electronic current transformer |
| 03/27/2002 | EP1190428A1 Operating mechanism for autorecloser with series disconnector |
| 03/27/2002 | CN2483822Y High-voltage vacuum contactor with linkaged mechanical controlled on/off switch |
| 03/27/2002 | CN1341943A 开关 Switch |
| 03/27/2002 | CN1081831C Electrical switching device |
| 03/26/2002 | US6362445 Modular, miniaturized switchgear |
| 03/26/2002 | US6362444 Gas insulating switchgear |
| 03/21/2002 | WO2002023687A1 Circuit breakers |
| 03/21/2002 | WO2002023573A1 A method and a device for switching an electric switching device for alternating current |
| 03/21/2002 | WO2002023572A1 Switching device system, components therefore and methods relating thereto |
| 03/21/2002 | WO2002023571A1 Switching device |
| 03/21/2002 | WO2002023570A1 Circuit breaker with coaxial current sensor |
| 03/20/2002 | EP1188222A1 Magnetic linear drive |
| 03/20/2002 | CN1341267A Vacuum interrupter chamber with ying-shaped insulator |
| 03/20/2002 | CN1340836A Hydraulic operation device |
| 03/20/2002 | CN1340834A Arc-suppressing device, switch with the said device and method for arc suppressing |
| 03/20/2002 | CN1340718A Method and device for local discharge in electric inspection device |
| 03/14/2002 | WO2002021652A1 Locking device for withdrawable circuit-breakers |
| 03/14/2002 | DE10044046A1 Switching shaft for multiple-pole power switch, has molded radial piece and integral lever part |
| 03/13/2002 | EP1187157A1 Disconnecting switch |
| 03/13/2002 | EP1185996A1 High-voltage circuit breaker with a discharge channel |
| 03/13/2002 | EP1185995A1 On/off control device especially for a disconnection device such as a circuit breaker and circuit breaker fitter with said device. |
| 03/13/2002 | CN2482208Y Vacuum extinction chamber for epoxy resin seal pole |
| 03/13/2002 | CN2482207Y AC high-voltage vacuum load switch |
| 03/13/2002 | CN1080922C Combined type circuit breaker with electric operation mechanism |
| 03/12/2002 | US6355898 Fast control device for high-voltage switchgear, in particular for a grounding disconnector |
| 03/12/2002 | US6354161 Spring powered switch and method and apparatus for testing the same |
| 03/07/2002 | WO2002019360A1 Circuit breaker |
| 03/07/2002 | WO2002018964A1 Partial discharge injector |
| 03/07/2002 | WO2002018963A1 Re-locatable partial discharge transducer head |
| 03/07/2002 | US20020028594 Disconnector |
| 03/06/2002 | EP1183699A1 Contact assembly on a preselector |
| 03/06/2002 | CN2480970Y Axle, sleeve, linking-board operation-control mechanism |
| 03/06/2002 | CN1339189A Horizontally positioned, encapsulated high-voltage circuit breaker |
| 03/06/2002 | CN1339166A Vibro-acqustic signature treatment process in high-voltage electromechanical switching system |
| 03/05/2002 | US6353376 Switching assembly |
| 02/28/2002 | US20020024341 Method and device for detecting a partial discharge in an electrical device |
| 02/28/2002 | US20020023897 Hybrid gas insulation switchgear apparatus |
| 02/27/2002 | EP0992050B1 High voltage circuit breaker with two arcing contacts which can be actuated in an opposite direction |
| 02/27/2002 | CN2479628Y SF6 column vacuum circuit breaker |
| 02/27/2002 | CN2479620Y Breaker arc-extinguishing chamber with insulating baffle plate |
| 02/27/2002 | CN1338110A Actuator of power load-break switch |
| 02/27/2002 | CN1337726A Method of utilizing non-uniform longitudinal magnetic field in inhibiting vacuum arc aggregation |
| 02/26/2002 | CA2171167C Flexible connector for a circuit breaker |
| 02/21/2002 | US20020021540 Protective device and system |
| 02/20/2002 | EP0830699B1 Control method and device for a switchgear actuator |
| 02/20/2002 | CN2478239Y Dual-magnetet explosion device of mini d.c. breaker |
| 02/20/2002 | CN1337052A Switch gear |
| 02/20/2002 | CN1337051A Operating device for driving and controlling an electrical switching apparatus |
| 02/20/2002 | CN1336708A Composite and gas-insulated switching arrangement |
| 02/19/2002 | US6348847 Control device for breaker |
| 02/19/2002 | US6347615 Damper for tap-changer vacuum switch |
| 02/19/2002 | CA2197878C Circuit breaker arrangement for protection against electrical arcs |
| 02/19/2002 | CA2039819C Load switch for a step transformer |
| 02/14/2002 | US20020018332 Arrangement having a contact element which can be brought into contact with another contact element |
| 02/14/2002 | US20020017394 Outdoor high-voltage bushing, and a high-voltage switching device having such a bushing |
| 02/14/2002 | DE10037959A1 High-voltage power switch has electrical contact assembly for generating a stream of quenching gas and compression device with piston and cylinder moving in relation to each other |
| 02/13/2002 | EP1179727A1 Fiber-optic bragg sensor for measurement of pressure and density |
| 02/13/2002 | CN2476873Y Vacuum switch rotation thrust unit |
| 02/13/2002 | CN2476872Y Outdoor high-voltage vacuum circuit breaker |
| 02/13/2002 | CN2476871Y Linear power operation mechanism for power switch |
| 02/07/2002 | US20020014472 Device for degassing and brazing preassembled vacuum interrupters |
| 02/07/2002 | DE10036071A1 Monitoring block for insulating gas used in switchgear, employs only single non return valve to block flow to several branched channels |
| 02/06/2002 | CN2476091Y Device for preventing vacuum circuit breaker switch-on bounce |
| 02/05/2002 | CA2053953C Rotary puffer switch |
| 01/31/2002 | DE10036370A1 Lichtbogenlöscheinrichtung mit einem Aufsatz für Niederspannungs-Schaltgeräte Arc quenching device with an attachment for low-voltage switchgear |
| 01/29/2002 | US6342685 Double movement high voltage circuit breaker |
| 01/24/2002 | WO2002007175A1 Arc extinguisher with an attachment for low voltage switchgear |