| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 01/31/2007 | CN2864958Y Conducting circuit for high-voltage segregate switch |
| 01/25/2007 | US20070017904 Switch assembly |
| 01/24/2007 | CN1902721A Electrical contact element for medium or high voltage electrical equipment, and corresponding method and equipment |
| 01/17/2007 | CN2859789Y Small-sized grounding switch of high voltage power distribution cabinet |
| 01/17/2007 | CN2859788Y Indoor integrated isolating switch |
| 01/17/2007 | CN2859787Y Insulating and interlocking device of switch cabinet |
| 01/17/2007 | CN2859774Y Wireless distributed error-locking prevention system for micro-computer |
| 01/13/2007 | CA2551839A1 Switch mechanisms for safe activation of energy on an electrosurgical instrument |
| 01/10/2007 | EP1741111A1 Compliant electrical contact assembly |
| 01/10/2007 | CN2857193Y Thoroughfare type large current indoor high voltage disconnecting switch |
| 01/10/2007 | CN2857192Y Switching and locking means of indoor high voltage disconnecting switch |
| 01/10/2007 | CN2857191Y Biconjugate blade super-large current indoor high voltage disconnecting switch |
| 01/10/2007 | CN2857183Y Intelligent power failure tag of switch cabinet |
| 01/10/2007 | CN2857182Y Indoor high voltage earthing switch |
| 01/10/2007 | CN2857179Y Separatable probe of disconnecting switch |
| 01/09/2007 | CA2146035C Fuse assembly with low exhaust and replaceable cartridge |
| 01/03/2007 | CN2854791Y High-tension insulation switch of easy regulated |
| 12/27/2006 | CN2852352Y Special computer key for preventing miss operation with wireless code function and its coding device |
| 12/27/2006 | CN1292445C Gas-insulating switch device |
| 12/26/2006 | US7154281 Apparatus and method for determining the status of an electric power cable |
| 12/26/2006 | US7154034 Method and apparatus for protection of wildlife from contact with power phase cutout mechanism |
| 12/21/2006 | US20060283842 Switching device with a disconnection and/or grounding function |
| 12/20/2006 | CN2849938Y Outdoor ac high-voltage isolation switch |
| 12/20/2006 | CN2849937Y Isolation supporter |
| 12/14/2006 | WO2006131560A1 An electric switch having an annular stationary contact |
| 12/13/2006 | EP1732098A1 Breaker |
| 12/13/2006 | EP1732097A2 Power supply circuit with interrupter circuit |
| 12/13/2006 | CN2847504Y Outdoor high voltage isolation switch for preventing error locking |
| 12/13/2006 | CN2847503Y Novel contact for isolation switch |
| 12/12/2006 | US7148698 Fuse saving tester for fused circuit |
| 12/06/2006 | CN1288684C Switching contact arrangement for power switch |
| 12/06/2006 | CN1288683C Switching contact arrangement |
| 12/01/2006 | CA2736031A1 High current switch and method of operation |
| 12/01/2006 | CA2736004A1 Electrical connection with reduced bending forces and method for reducing bending forces in such connection |
| 11/28/2006 | US7140702 Medium voltage motor control center arc resistant enclosure |
| 11/22/2006 | CN2840303Y Link operating mechanism between central switch cabinet rear door and grounding switch |
| 11/22/2006 | CN1866433A Electric operating mechanism |
| 11/15/2006 | CN2838022Y High voltage isolation switch |
| 11/14/2006 | US7135868 Method and apparatus for testing gate oxide with fuse |
| 11/14/2006 | US7135652 Vacuum switchgear |
| 11/08/2006 | EP1719143A1 Switching device with a disconnection and/or grounding function |
| 11/08/2006 | CN2836227Y Current-limiting drop-type fuse |
| 11/08/2006 | CN2836214Y Electromagnetic latching device |
| 11/08/2006 | CN2836213Y Outdoor high voltage isolation switch |
| 11/01/2006 | CN2833857Y Single-phase electric isolating switch |
| 10/31/2006 | US7130172 Switchgear and receiving transformation apparatus using the same |
| 10/31/2006 | US7129711 Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables |
| 10/26/2006 | US20060237394 Vacuum Switchgear |
| 10/25/2006 | CN2831372Y Linkage locking disk of box-like switching cabinet |
| 10/25/2006 | CN1282209C Air circuit breaker |
| 10/24/2006 | US7127041 Simultaneous tracing of multiple phone/data cables |
| 10/19/2006 | WO2006109892A1 Current interrupter and current interrupter operating method |
| 10/19/2006 | US20060232280 Test light/circuit tester |
| 10/19/2006 | US20060232279 Method and machine for repetitive testing of an electrical component |
| 10/19/2006 | DE102005017939A1 Electrical switching system has shielding plate with number of slots corresponding to number of earth blades through which earth blades can be pivoted into earthing position |
| 10/19/2006 | DE102005017902A1 Lasttrennschalter sowie Schaltanlage mit Lasttrennschalter Load break switches and switchgear with switch disconnector |
| 10/19/2006 | DE102005014206A1 Mittelspannungs- oder Hochspannungsschalter für Freiluftanwendung Medium and high voltage switch for outdoor use |
| 10/18/2006 | CN2829056Y Isolating switch with temp. pressure spring |
| 10/17/2006 | US7122759 Compact earthing switch for gas-insulated switchgear assemblies |
| 10/17/2006 | US7122758 Insulated earthing switch for gas-insulated switchgear assemblies |
| 10/12/2006 | DE102005017672A1 Sicherungslasttrennschalter Fuse switch disconnectors |
| 10/11/2006 | EP1709720A2 Compressed gas insulated separating switch component and leadthrough arrangement |
| 10/11/2006 | EP1709718A2 High-voltage outdoor bushing arrangement |
| 10/11/2006 | CN2826665Y Isolation blade device for outdoor vacuum circuit breaker |
| 10/11/2006 | CN1845278A High-voltage isolation switch |
| 10/11/2006 | CN1845277A Fixed contact bending moment self-balancing unit for extra-high-voltage isolation switch |
| 10/04/2006 | EP1708215A2 Telescopic switch |
| 10/04/2006 | CN2824270Y Electric spark-proof switch |
| 10/04/2006 | CN2824260Y Shaft sleeve type clutch for isolation, grounding electric mechanism |
| 09/30/2006 | CA2502806A1 Telescopic switch |
| 09/28/2006 | WO2006100293A1 Metal bracket for retaining fuses in the cover of a fused interrupter |
| 09/28/2006 | US20060214754 Energy storage disconnecting switch |
| 09/28/2006 | DE102005014980A1 Metallbügel zum Halten von Sicherungen im Deckel eines Sicherungslasttrennschalters Metal bracket to hold the fuses in the fuse cover of the circuit breaker |
| 09/27/2006 | CN1838358A Switch-on and switch-off device for outdoor high-voltage isolation switch |
| 09/21/2006 | DE102005012930A1 Elektrische Kontaktanordnung mit einem ersten und einem zweiten Kontaktstück Electrical contact arrangement having a first and a second contact piece |
| 09/20/2006 | CN2819436Y Improved structure of locking box |
| 09/20/2006 | CN2819435Y Safety distribution cabinet |
| 09/20/2006 | CN2819422Y Switching dustproofing contact of super-voltage isolated switch |
| 09/20/2006 | CN1835149A Switch locking device |
| 09/20/2006 | CN1835148A Wired distributing error proof locking system of microcomputer |
| 09/20/2006 | CN1276562C Gas insulated switchgear |
| 09/19/2006 | US7109722 Apparatus and method for PCB smoke and burn detection and prevention |
| 09/13/2006 | EP1700325A1 Electrical contact element for medium or high voltage electrical equipment, and corresponding method and equipment |
| 09/13/2006 | CN2817040Y Three-position isolation switch |
| 09/13/2006 | CN2817039Y Involute type super-high voltage fast-earthing switch |
| 09/06/2006 | EP1697954A1 Medium voltage switchgear assembly |
| 09/06/2006 | EP1316098A4 Fuse cutout with mechanical assist |
| 09/06/2006 | CN2814655Y Double-fracture folding horizontal disconnecting and connecting isolating switch |
| 09/06/2006 | CN1830123A Three-position ground switch |
| 08/31/2006 | US20060192566 Continuity tester with magnetic ground and method therefor |
| 08/30/2006 | CN2812265Y Double-break folding-type vertical-connecting/disconnecting isolation switch |
| 08/23/2006 | CN2809843Y A mechanical interlocking mechanism for circuit breaker and three-state isolation switch |
| 08/23/2006 | CN2809842Y 一种隔离开关 An isolating switch |
| 08/23/2006 | CN1822275A Disconnect switch |
| 08/17/2006 | CA2597060A1 Arc fault and ground fault circuit interrupter tester apparatus and method |
| 08/16/2006 | CN2807447Y Indoor high-voltage grounding switch |
| 08/16/2006 | CN1270334C Device for controlling closing of power circuit breaker |
| 08/15/2006 | US7091439 Isolator/circuit-breaker device for electric substations |
| 08/15/2006 | US7091431 Disconnect switch |
| 08/10/2006 | US20060175182 Disconnect switch |