| Patents for H02B 3 - Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear (3,442) |
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| 10/14/2009 | CN201327956Y Wire-connecting mould of control cable |
| 10/14/2009 | CN201325034Y Special tool for assisting disassembly and assembly of electromagnetic operating mechanism |
| 10/07/2009 | CN201323429Y Group bus and connecting device in electric fence de-icing system |
| 10/07/2009 | CN201323399Y 临时短接器 Temporary short connector |
| 10/07/2009 | CN201323398Y Small-sized electric power equipment landing gear |
| 10/07/2009 | CN101552430A Method for installing and hoisting gas-insulated metal closed power transmission line in shaft and device thereof |
| 10/07/2009 | CN101552429A Power transformation equipment overhauling stand |
| 09/30/2009 | CN201319475Y GIS branch bus bar storage chain |
| 09/30/2009 | CN201319474Y Isolating switch assembly platform |
| 09/30/2009 | CN101546889A Method for replacing main transformer of power system |
| 09/30/2009 | CN101546888A Fixture of a mould specially used for overhaul an energy storing device of a high-voltage breaker mechanism |
| 09/24/2009 | WO2008067943A8 Gas-insulated switchgear assembly |
| 09/23/2009 | CN201315429Y Isolating switch-overhauling special tool |
| 09/23/2009 | CN201315428Y Telescopic insulating rod |
| 09/23/2009 | CN201315427Y Grounded wrist protector |
| 09/23/2009 | CN201315426Y Bus bar transfer vehicle |
| 09/23/2009 | CN101540482A Special replacement tool for outdoor 35kV PT fuses |
| 09/09/2009 | EP2097958A1 Gas-insulated switchgear assembly |
| 09/09/2009 | CN201307725Y Safe enclosure hanger for high-tension distribution chamber of converting station |
| 09/09/2009 | CN201307724Y High-voltage switch overhaul kit tool |
| 09/09/2009 | CN201307723Y Transformer mounting trolley gas path control system |
| 09/09/2009 | CN201307722Y Drawer box mounting trolley |
| 09/09/2009 | CN201307721Y Lifting frame for overhauling high-voltage isolator |
| 09/09/2009 | CN201307720Y Ladder for testing and maintaining anti-pollution bushings of transformer |
| 09/02/2009 | CN201303224Y Dewinder for switch cabinets |
| 09/02/2009 | CN201303223Y Anti-retraction wire putting device for switch cabinet |
| 09/02/2009 | CN201303222Y Transfer vehicle for switch cabinet underslung vehicle |
| 09/02/2009 | CN201303221Y Distribution transformer overhauling platform device on 10KV column |
| 09/02/2009 | CN201303220Y Mobile installation cart of electric disc cabinet |
| 09/02/2009 | CN101521359A Special bracket structure for detaching laps of transformer casings |
| 08/26/2009 | CN201298682Y transformer substrate isolating switch lifting appliance |
| 08/26/2009 | CN201298681Y Distribution box, cabinet equipment inspecting special earth wire |
| 08/26/2009 | CN201298680Y Knife switch rain hat extracting tool |
| 08/26/2009 | CN101515704A SF6 totally-enclosed combined electric appliance assembling method and workbench for assembling |
| 08/20/2009 | WO2009101717A1 Control center |
| 08/20/2009 | WO2009101714A1 Control center |
| 08/20/2009 | WO2009101713A1 Control center |
| 08/19/2009 | CN201294344Y Special-purpose support structure of transformer bushing dismounting-joining mark |
| 08/19/2009 | CN201294343Y Combined electrified maintenance insulated isolation baffle |
| 08/12/2009 | CN201289980Y High-efficiency tri-station busbar machine |
| 08/12/2009 | CN201289974Y Device for filling oil for high tension apparatus |
| 08/12/2009 | CN201289973Y Clamp type insurance assembling and disassembling device |
| 08/12/2009 | CN201289972Y Hardware fittings for installation of insulated enclosed fuse |
| 08/05/2009 | CN201285994Y Tool special for live examination and maintenance |
| 08/05/2009 | CN201285993Y Multifunctional bus-bar processor |
| 07/29/2009 | CN201282291Y On-site maintenance circuit breaker station rack |
| 07/29/2009 | CN201282290Y Clamper for assembling top and bottom frame of low-voltage matched set switch cabinet body |
| 07/29/2009 | CN201282289Y Adjustor for installation of isolation switch mechanism |
| 07/29/2009 | CN201282288Y High voltage switch cabinet electricity check trolley |
| 07/22/2009 | CN101488647A Cart rack for outdoor high voltage circuit breaker |
| 07/16/2009 | WO2009089429A1 Bushing explosion containment device |
| 07/16/2009 | CA2711850A1 Bushing explosion containment device |
| 07/15/2009 | CN201274383Y Electric press-rod apparatus |
| 07/08/2009 | CN201270383Y Auxiliary installation apparatus for outdoor switch cabinet electromagnetic operating mechanism |
| 06/24/2009 | CN201263049Y Ladder for maintaining high-voltage isolation switch |
| 06/24/2009 | CN201263048Y Alarming type insulation lever |
| 06/24/2009 | CN201263047Y Safety holder pile for maintaining isolation knife brake |
| 06/17/2009 | CN201260042Y Anti-dropping hanging rack for mutual inductor |
| 06/17/2009 | CN201260041Y Loaded switch hanging rack |
| 06/17/2009 | CN201260040Y High-voltage oil circuit breaker examining and operating platform |
| 06/17/2009 | CN201260039Y Special tool for supplying oil to electric mutual inductor |
| 06/11/2009 | US20090147483 Slipover distribution cabinet |
| 06/10/2009 | CN201256258Y Tool for opening high voltage bushing terminal screen |
| 06/03/2009 | CN201252357Y Isolating switch examining and repairing frame |
| 06/03/2009 | CN201252356Y On-site disassembly overhaul special tool for high-voltage isolating switch |
| 06/03/2009 | CN201252355Y Repair platform for 220KV isolating switch |
| 06/03/2009 | CN201252354Y On-load tapping changing switch suspension bracket |
| 06/03/2009 | CN101447653A Shearing die of numerical control bus blunt bore machine |
| 05/20/2009 | CN201243166Y 220KV main change insulated high altitude wire connection lever |
| 05/20/2009 | CN201242937Y Model for shift variant coil |
| 05/20/2009 | CN101438474A Method and device for maintenance of high-voltage switchgear with voltage |
| 05/20/2009 | CN101436760A Steerable wheel truck |
| 05/13/2009 | CN201238163Y Railing support |
| 05/13/2009 | CN201238162Y Switch cabinet distributor and assembly line |
| 05/13/2009 | CN201238161Y Oil compensation apparatus of full-sealing mutual inductor |
| 05/13/2009 | CN201238160Y Apparatus for preventing high-voltage circuit-breaker slipping |
| 05/13/2009 | CN201238159Y GW4-110 type isolation switch examination stand |
| 05/13/2009 | CN201238158Y Special vehicle for converter transformer installation |
| 05/13/2009 | CN201237562Y Sampling apparatus for oil-filled electrical equipment |
| 05/13/2009 | CN101431219A Switch cabinet connection combination apparatus and manufacturing method thereof |
| 05/06/2009 | CN201234073Y Assembly cart apparatus for current mutual inductor |
| 05/06/2009 | CN201234072Y Inspection rack for loaded voltage regulating switch core |
| 05/06/2009 | CN201234071Y Knife switch inspection rack |
| 04/29/2009 | CN201230146Y Movable special switch trolley |
| 04/15/2009 | CN201222624Y Maintenance bracket for loaded pressure-regulating switch rapid mechanism |
| 04/15/2009 | CN201222623Y Assembler for rapid-dismounting high voltage isolating switch contact |
| 04/15/2009 | CN201222612Y Special grounding wire for looped network cabinet |
| 04/15/2009 | CN101409430A Multifunctional wiring device for switch cabinet |
| 04/08/2009 | CN201219181Y Multifunctional portable binding type safety hoisting jack |
| 04/08/2009 | CN101404389A Installation of devices in a metal enclosure comprising two half-spacers for removal |
| 04/08/2009 | CN101404388A Single-bus segmented double-arrangement transforming station bus replacing construction method |
| 04/01/2009 | CN201214033Y Maintenance car for power transformer |
| 03/18/2009 | CN201210598Y Installation apparatus for 35KV isolating switch controlling mechanism |
| 03/12/2009 | WO2009031900A1 Quickly exchangeable switching device in fixed type medium voltage switchgear system |
| 03/12/2009 | CA2694577A1 Quickly exchangeable switching device in fixed type medium voltage switchgear system |
| 03/11/2009 | EP2034501A1 Quickly exchangeable switching device in fixed type medium voltage switchgear system |
| 03/04/2009 | CN201204394Y Novel switch cabinet assembling tool |
| 02/17/2009 | US7492575 Slip-over distribution cabinet |
| 02/04/2009 | CN201191719Y Uninterrupted electric operation fuse protection tool |
| 02/04/2009 | CN201191569Y Switch and terminal base applying glaze manufacturing technique |