| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 07/05/2007 | US20070151952 High-voltage outdoor bushing arrangement |
| 07/04/2007 | CN1324776C Gas-insulated switch gear |
| 07/03/2007 | CA2451177C Spacer for an insulator assembly |
| 06/28/2007 | US20070145015 Medium-voltage switchgear assembly |
| 06/28/2007 | US20070144879 Current interrupter for a power network |
| 06/28/2007 | US20070144878 Driving bracket for an electrical switch |
| 06/27/2007 | CN2916905Y Indoor medium voltage isolating switch |
| 06/27/2007 | CN1988092A Automatic and mutual automatic locking device for high voltage load double switch power |
| 06/27/2007 | CN1323411C 开关 Switch |
| 06/21/2007 | WO2007070288A2 Regulator bypass switch assembly |
| 06/21/2007 | US20070137990 Regulator bypass switch assembly |
| 06/21/2007 | US20070137029 Method for fabricating semiconductor component with adjustment circuit for adjusting physical or electrical characteristics of substrate conductors |
| 06/21/2007 | CA2633136A1 Regulator bypass switch assembly |
| 06/20/2007 | EP1374264B1 Switching contact arrangement for a power switch |
| 06/20/2007 | CN2914302Y Vacuum loaded switch |
| 06/20/2007 | CN2914301Y Three-station rotary type indoor high-voltage isolating switch |
| 06/20/2007 | CN1322646C Metallic locking shutter |
| 06/13/2007 | EP1796118A1 Load connecting block |
| 06/13/2007 | EP1719143B1 Switching device with a disconnection and/or grounding function |
| 06/13/2007 | CN2911914Y Composite copper/aluminum conducting pole |
| 06/06/2007 | CN2909494Y Circuit for proventing misoperation |
| 06/06/2007 | CN2909493Y Self-balance device for deciding contact bending moment of superhigh voltage isolating switch |
| 06/06/2007 | CN1977344A Compliant electrical contact assembly |
| 06/06/2007 | CN1320570C Make-before-break selector switch |
| 05/31/2007 | US20070119818 Compressed-gas-insulated switch-disconnector module and bushing configuration |
| 05/30/2007 | CN2906886Y Dual-side cutting isolating switch |
| 05/30/2007 | CN2906885Y Extra high voltage foldable horizontal on-off isolating switch |
| 05/30/2007 | CN1971793A Electrical switchgear |
| 05/30/2007 | CN1971792A Low-voltage combined type fuse blade switch on outdoor pole |
| 05/30/2007 | CN1319093C Movable electrode bearing structure for switch |
| 05/29/2007 | US7223932 Vacuum Switchgear |
| 05/29/2007 | US7223928 Switch with improved protection from ice conditions |
| 05/24/2007 | WO2007057164A1 Electrical switchgear assembly |
| 05/23/2007 | CN2904403Y Rectifier transformer for high-voltage electrostatic precipitation |
| 05/23/2007 | CN2904261Y Large current isolator and converting isolator |
| 05/23/2007 | CN2904260Y High power DC isolation switch |
| 05/23/2007 | CN1967758A Isolation switch fuse suit |
| 05/22/2007 | CA2245300C Fusible element |
| 05/17/2007 | US20070111590 Electrical contact element for medium or high voltage electrical equipment, and corresponding, and corresponding method and equipment |
| 05/16/2007 | EP1786010A1 Electrical switchgear |
| 05/16/2007 | CN2901552Y Large travel distance position limit mechanism of three work position isolation switch |
| 05/16/2007 | CN2901538Y Load switch spring mechanism tripping device |
| 05/16/2007 | CN1965453A Gas-insulated switchgear comprising an inspection glass for optically detecting the switching position of the switching contacts |
| 05/16/2007 | CN1963970A Vacuum switchgear |
| 05/09/2007 | CN1315135C Compliant electrical contact |
| 05/03/2007 | DE102006050477A1 Mid voltage range switching systems has a fixed contact and moving contact within a plasma sealed area |
| 05/02/2007 | CN2896494Y Mechanical interlocking device for switch apparatus |
| 05/02/2007 | CN2896493Y Double-armtype high-pressure isolation switch probe |
| 05/02/2007 | CN2896492Y Single-arm type high-pressure isolation switch probe |
| 05/01/2007 | US7211761 Switch and disconnector apparatus for electric substations |
| 04/25/2007 | CN2893899Y Highvoltage isolated switch contact assembly |
| 04/25/2007 | CN2893898Y High voltage isolated switch contact assembly |
| 04/24/2007 | US7209813 Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities |
| 04/19/2007 | WO2007042548A1 Ground disconnect switch and method for making same |
| 04/18/2007 | CN2891255Y Outdoor AC high voltage isolation switch |
| 04/18/2007 | CN2890946Y High voltage isolator for insulation detection of high voltage motor |
| 04/18/2007 | CN1949428A Vacuum switchgear |
| 04/18/2007 | CN1311493C Insulating switch apparatus |
| 04/12/2007 | WO2006086310A3 Arc fault and ground fault circuit interrupter tester apparatus and method |
| 04/11/2007 | CN1310266C Vacuum switchgear |
| 04/11/2007 | CN1310264C Intelligent electric error preventing method capable of real-time monitoring |
| 04/05/2007 | US20070074963 Switching device |
| 03/29/2007 | WO2007035644A2 System and method for validating radio frequency identification tags |
| 03/28/2007 | CN2884623Y 高压开关柜 High Voltage Switchgear |
| 03/28/2007 | CN2884496Y Structure for preventing heavy-current Dc isolating-switch from DC earth short circuit |
| 03/28/2007 | CN2884495Y Electronic type isolating switch for high-voltage electric power |
| 03/28/2007 | CN2884494Y Double-throw-over starting isolating switch |
| 03/27/2007 | US7196279 Regulator bypass switch assembly |
| 03/22/2007 | WO2007031040A1 Vacuum interrupter |
| 03/21/2007 | CN2881930Y Outdoor high-voltage isolating switch |
| 03/21/2007 | CN2881929Y On-off isolating switch-on mechanism |
| 03/21/2007 | CN1933077A Isolated switch main contact for circuit breaker combined electric appliance |
| 03/14/2007 | CN2879383Y High-voltage switch cabinet earthing switch motor structure |
| 03/13/2007 | US7189933 Solid insulated disconnection switch |
| 03/07/2007 | CN2877021Y Manual and electric dual-purpose operating mechanism for universal three-station isolation switch |
| 03/07/2007 | CN2877010Y Mechanical locking device for high-voltage switch cabinet |
| 03/07/2007 | CN2877008Y Multi-gang small circuit breaker |
| 03/07/2007 | CN1926734A Compressed gas insulated separating switch component and leadthrough arrangement |
| 03/07/2007 | CN1926733A High-voltage outdoor bushing arrangement |
| 03/07/2007 | CN1926650A Switching device with a disconnection and/or grounding function |
| 03/07/2007 | CN1303733C Earthing switch |
| 03/01/2007 | WO2007023093A1 Contact assembly comprising a limiting element that restricts the deflection of the displaceable contact part |
| 03/01/2007 | US20070046296 Partial discharge sensor |
| 03/01/2007 | US20070046295 System and method for performing online partial discharge testing |
| 03/01/2007 | DE102005041637A1 Kontaktanordnung mit einem ersten und einem zweiten Kontaktstück Contact arrangement with a first and a second contact piece |
| 02/28/2007 | EP1529299B1 Drive mechanism for switching installation, and method for operating it |
| 02/27/2007 | US7183776 System and method for performing online partial discharge testing |
| 02/27/2007 | US7183774 Method of detecting partial discharges and diagnostic system for electrical apparatus |
| 02/21/2007 | EP1755134A1 Rear side insulation cover for a fuse load disconnecting switch |
| 02/21/2007 | CN2872573Y Operating mechanism of isolated switch |
| 02/20/2007 | CA2461449C Smart awa |
| 02/15/2007 | WO2007017573A1 Neutral connection device provided with a grounded switch |
| 02/14/2007 | CN2870131Y High-voltage isolation switch |
| 02/14/2007 | CN1914704A Medium voltage switchgear assembly |
| 02/13/2007 | US7176694 Testing device and method of testing insulated handles used for servicing high voltage transmission lines |
| 02/07/2007 | CN2867562Y Electric power locomotive combined switch device |
| 02/07/2007 | CN2867551Y Multifunctional high-tension charged fastener |
| 02/07/2007 | CN1299309C Vacuum switch apparatus |
| 01/31/2007 | EP1748454A2 Device for locking an item of switchgear, particularly for grounding disconnectors of electrical lines, with high safety against unauthorized actuation |
| 01/31/2007 | EP1500119B1 Fuse cutout with improved dropout performance |