| Patents for H02B 3 - Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear (3,442) |
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| 09/04/2013 | CN103274307A Sliding type gantry crane with roller and purpose thereof |
| 09/04/2013 | CN101796602B Quickly exchangeable switching device in fixed type medium voltage switchgear system |
| 08/28/2013 | CN203166362U General insulating protective cover for isolating switch |
| 08/28/2013 | CN203166361U Knife switch insulating isolation cover |
| 08/28/2013 | CN203166360U Switch cabinet valve opening trolley |
| 08/28/2013 | CN203166359U Fixing device for 110kV three-phase common-box type outgoing line sleeve products |
| 08/28/2013 | CN203166358U Maintenance support for large power transformer |
| 08/28/2013 | CN103269027A Special sunning test frame for power system steel structure |
| 08/28/2013 | CN103269026A 220kV GW7 disconnecting link emergency heat stopping pincers |
| 08/28/2013 | CN103269025A Spring energy regulating tool of spring mechanism divide-shut brake |
| 08/28/2013 | CN103269024A Multifunctional insulating operation bar of transformer substation |
| 08/28/2013 | CN103269023A Transformer accessory converting all-in-one machine and using method thereof |
| 08/28/2013 | CN103269022A Telegraph pole umbrella for electric power overhaul |
| 08/21/2013 | CN203150972U High precision positioning regulating mechanism |
| 08/21/2013 | CN203150971U Device for bandaging gas leakage position of gas chamber of GIS equipment |
| 08/21/2013 | CN203150970U Foot screw sealing device |
| 08/21/2013 | CN203150969U 10kV oil-poor circuit breaker maintenance tool |
| 08/21/2013 | CN203150968U Violation prevention operation handle |
| 08/21/2013 | CN203150967U Hot-plugging handle |
| 08/21/2013 | CN203150966U GIS flange butt joint positioner |
| 08/21/2013 | CN203150965U Cable ring main unit emergency overhaul apparatus |
| 08/21/2013 | CN203150964U Indoor transformer station equipment maintenance suspension bracket |
| 08/21/2013 | CN203150963U Inflation joint fixture of circuit breaker |
| 08/21/2013 | CN203150407U Link rod capable of detecting electricity |
| 08/21/2013 | CN103259206A Transformer substation operation safety management and control system based on computer vision locating technology |
| 08/21/2013 | CN103258672A Replacing tool of breaker spring |
| 08/14/2013 | CN203135285U Replacing device for oil pump of voltage transformer |
| 08/14/2013 | CN203135284U Double-divided-conductor pulley |
| 08/14/2013 | CN203135283U Carrying cart used for maintenance and repair of 3AH circuit breaker |
| 08/14/2013 | CN203135282U Special maintenance tool for circuit breaker |
| 08/14/2013 | CN203135281U Pulley-type conductor block provided with hinge structure |
| 08/14/2013 | CN203135280U Respirator silica gel replacing carriage |
| 08/14/2013 | CN203135279U Special tool for maintenance of compression spring of breaker contact |
| 08/14/2013 | CN203135278U Three-dimensional space real-time display transformer station robot inspection system |
| 08/14/2013 | CN203135277U Nest dismantling apparatus |
| 08/14/2013 | CN203135276U Device for heating transformer oil in transformer |
| 08/14/2013 | CN203135275U Working table surface of transfer trolley for handcart switch |
| 08/14/2013 | CN203135274U Handcart switch transport cart |
| 08/14/2013 | CN203135273U High voltage isolation switch remote control descaling device |
| 08/14/2013 | CN203135272U High voltage isolation switch polishing device |
| 08/14/2013 | CN203135175U Telescopic grounding wire |
| 08/14/2013 | CN203134511U Emergency oil discharge device for transformer |
| 08/14/2013 | CN203134510U Exhaust |
| 08/14/2013 | CN203129942U Ladder assembly stabilizing device with insulativity and insulated ladder |
| 08/14/2013 | CN103247954A Overhauling auxiliary bracket |
| 08/14/2013 | CN103247953A Special tool for sleeve lead-out line |
| 08/14/2013 | CN103247952A Portable vehicle-mounted insulation tool drying box |
| 08/14/2013 | CN103247951A Dedicated earth connection for centrally installed switchgear generatrix maintenance |
| 08/07/2013 | CN203119367U Mounting vehicle used for handcart-type high-voltage vacuum breaker |
| 08/07/2013 | CN203119366U Special-purpose tool for dismantling insulation switch spring |
| 08/07/2013 | CN203119365U Transfer trolley for switchgear |
| 08/07/2013 | CN203119364U Transportation trolley |
| 08/07/2013 | CN203119363U Drop switch electrified urgent repair device |
| 08/07/2013 | CN203119362U Live-working insulating angle lifting platform |
| 08/07/2013 | CN203119361U Live-working insulating hook ladder door-sealing hook |
| 08/07/2013 | CN203119360U High-voltage cabinet maintenance electrical insulating stool |
| 08/07/2013 | CN203119359U Converting station bus clip |
| 08/07/2013 | CN203119358U Bell jar type transformer lifting device |
| 08/07/2013 | CN203119357U Isolation tool for maintaining 10kV centrally installed switchgear |
| 08/07/2013 | CN203119261U Ground wire operating rod |
| 08/07/2013 | CN203108026U High-voltage bus safety belt hanging support |
| 08/07/2013 | CN103235562A Patrol-robot-based comprehensive parameter detection system and method for substations |
| 08/07/2013 | CN103231993A Indoor GIS (Gas Insulated Switchgear) transporting and locating device and use method |
| 08/06/2013 | US8502120 Insulating blocks and methods for installation in insulated conductor heaters |
| 07/31/2013 | CN203103814U Single-pole-type transformer frame |
| 07/31/2013 | CN203103813U Extension fixture for complete electric distribution control positioning mechanism |
| 07/31/2013 | CN203103812U Multifunctional combined intelligent insulating rod |
| 07/31/2013 | CN203103811U Special holding pole for hoisting isolation switch |
| 07/31/2013 | CN203103810U Current transformer replacing platform |
| 07/31/2013 | CN203103809U Transformer station equipment check system |
| 07/31/2013 | CN203103808U Folding type power transformation overhaul platform |
| 07/31/2013 | CN203103780U Grounding wire anti-misoperation circuit and grounding wire anti-misoperation device |
| 07/31/2013 | CN203103027U Liquid-gas baffle plate |
| 07/31/2013 | CN203092535U Workpiece for assembling complete switch equipment |
| 07/31/2013 | CN103227427A Special insulation barrier for drop-out fuse protector |
| 07/31/2013 | CN103227426A Overhauling frame for 66 kilovolt oil-minimum breaker |
| 07/31/2013 | CN103227425A Core rod replacing device for wall bushing |
| 07/24/2013 | EP2617111A1 Method for operating a switch panel of electrical switchgear |
| 07/24/2013 | CN203086027U Multifunctional maintenance platform |
| 07/24/2013 | CN203086026U Unexpected power supply personal protector for mine power failure overhauling |
| 07/24/2013 | CN203086025U Voltage plate safety measure insulating cover for electric power line protection |
| 07/24/2013 | CN203086024U Tool car for high-voltage explosion-proof switch body |
| 07/24/2013 | CN203086023U Tool special for maintenance of connector base of isolating switch |
| 07/24/2013 | CN203085947U Tool for assembling and disassembling ground wire electrically |
| 07/24/2013 | CN203079616U Hoisting equipment for transformer matching switch in coal mine |
| 07/24/2013 | CN203079577U Special hoisting tool for mutual inductor |
| 07/24/2013 | CN203079510U Hoisting tooling for porcelain column circuit breaker |
| 07/24/2013 | CN103219660A Rapid repair method for oil leakage of welded joint of transformer |
| 07/24/2013 | CN103219659A Trolley for opening valve of switch cabinet |
| 07/24/2013 | CN103219658A GW5 disconnecting switch unilateral power failure operating method |
| 07/19/2013 | CA2802575A1 Meter puller with safety shield |
| 07/17/2013 | EP2615705A1 Outdoor bushing for an electric switchgear installation |
| 07/17/2013 | CN203071463U Overhaul platform for capacitor of series compensation device |
| 07/17/2013 | CN203071462U Disconnecting link overhaul platform rapid fixing device |
| 07/17/2013 | CN203071461U Function handcart debugging platform |
| 07/17/2013 | CN203071460U Switch cabinet integration power supply test vehicle |
| 07/17/2013 | CN203071459U Spring adjusting tool |
| 07/17/2013 | CN203071458U Conductor arrangement small comb |
| 07/17/2013 | CN203071375U Direct current ground wire used for maintenance of EHV/UHV converter station |
| 07/17/2013 | CN203070881U Transformer oil environmental protection processing device |