| Patents for H02B 3 - Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear (3,442) |
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| 07/06/2011 | CN201893511U Portable hoisting support for isolating switch |
| 07/06/2011 | CN201893510U Temperature indicating chip pasting tool |
| 07/06/2011 | CN201893509U Portable overhead hoisting device special for transformer substation |
| 07/06/2011 | CN201893508U Operating connector capable of being arranged on insulating rod |
| 07/06/2011 | CN201893507U Ground pole stop level for preventing switch from being closed by mistake |
| 07/06/2011 | CN201893506U Three-phase conductor positioning tool for SF6 (sulfur hexafluoride) high-voltage combined electrical apparatus |
| 07/06/2011 | CN201893499U Large-sized prepackage-type substation top cover self-positioning fixing device |
| 07/06/2011 | CN201889727U Fuse replacement tool |
| 06/29/2011 | CN201887354U Misoperation prevention pressing plate for relay protection overhauling operation |
| 06/29/2011 | CN201887353U Replacement platform of enclosed type switch cabinet mutual inductor |
| 06/29/2011 | CN201887352U Grounding trolley for maintenance of high-voltage switch cabinet |
| 06/29/2011 | CN201887351U Protecting cloth mantle specially for relay repair test |
| 06/29/2011 | CN201881761U Conducting wire clamp locator for matching holes and drawing lines |
| 06/29/2011 | CN201881350U Opener for check valve of screw SF6 switch gas tube |
| 06/29/2011 | CN102110955A Steering device and method used for steering converter transformer of converter station |
| 06/29/2011 | CN101304164B Installation apparatus for 35Kv isolating switch controlling mechanism |
| 06/28/2011 | CA2540106C Arc monitor system |
| 06/22/2011 | CN201877701U Vertical positioning device for installing power switch |
| 06/22/2011 | CN201877700U Insulation shielding device for switch inspection |
| 06/22/2011 | CN201877699U Link bar with adjustable length |
| 06/22/2011 | CN201877698U Turbojet deicing vehicle for high-voltage electric equipment of transformer substation |
| 06/22/2011 | CN201877697U Insulating sleeve for maintaining low-voltage power equipment |
| 06/22/2011 | CN201877696U Support for overhauling outdoor disconnecting switch |
| 06/22/2011 | CN201877680U Isolating switch insulating board |
| 06/22/2011 | CN102104235A Conveying device for gas insulated bus |
| 06/15/2011 | CN201868762U Tool for replacing left contact probe of isolating switch |
| 06/15/2011 | CN201868761U Box-type bracket for disconnector switch mechanism |
| 06/15/2011 | CN201868760U Clamp of turnover device of switch cabinet |
| 06/15/2011 | CN201868759U Switch cabinet turning device |
| 06/15/2011 | CN201868758U Portable hydraulic punching machine for busbars |
| 06/15/2011 | CN201868175U Ring-shaped ferrite magnetic sticker for electric power |
| 06/15/2011 | CN201865410U Dismountable combined protective clapboard for transformer substation |
| 06/15/2011 | CN201864516U Lifting appliance special for overhauling isolating switch |
| 06/15/2011 | CN201862167U Safety belt hanging stand for overhaul of isolating switch |
| 06/15/2011 | CN102097760A Wiring method of misoperation preventing electromagnetic lock of temporary grounding wire |
| 06/15/2011 | CN102097243A Installation method of SF6 gas breaker |
| 06/15/2011 | CN101692532B Electric power mobile workstation |
| 06/15/2011 | CN101588025B Process for repairing mouth fracture of substation isolating-switch locking pins |
| 06/15/2011 | CN101404388B Single-bus segmented double-arrangement transforming station bus replacing construction method |
| 06/08/2011 | CN201860054U Height inspection tooling |
| 06/08/2011 | CN201860053U Isolating switch button contact overhaul tool |
| 06/08/2011 | CN201860052U Wiring tag number design structure |
| 06/08/2011 | CN201857235U Power off-free disconnect switch lifting appliance |
| 06/08/2011 | CN102088169A Closed replacement platform for mutual inductor of switch cabinet |
| 06/08/2011 | CN102088168A Operation handcart for high voltage switching equipment |
| 06/01/2011 | CN201853963U Disconnector overhauling platform |
| 06/01/2011 | CN201853962U Cooling equipment of large-sized transformer |
| 06/01/2011 | CN201853961U Emergency cooling device of transformer |
| 06/01/2011 | CN201853960U Multifunctional photoelectric searching detector |
| 06/01/2011 | CN201853959U Deicing vehicle with high-temperature low-pressure hot wind combined with low-temperature high-pressure hot wind |
| 06/01/2011 | CN201853588U Special fixture of insulated operating rod and floodlight |
| 05/26/2011 | WO2011061579A1 Method and system for retrofitting a circuit breaker |
| 05/25/2011 | CN201846008U Air injection control device for melting ice of steam in transformer substation |
| 05/25/2011 | CN201846007U Switch cabinet moving and positioning device of transformer substation |
| 05/25/2011 | CN201846006U Temperature displaying wax sheet sticking rod in hot-line work |
| 05/25/2011 | CN201846005U Tool for replacing fuse of outdoor voltage transformer |
| 05/25/2011 | CN201845999U Switch moving contact installation fixture |
| 05/25/2011 | CN102074905A Turbine jet deicing vehicle for high-voltage electrical equipment of substation |
| 05/18/2011 | CN201838935U Isolation baffle of drop-type circuit breaker |
| 05/18/2011 | CN201838924U Compact hoisting bracket for box-type substation |
| 05/18/2011 | CN201838923U Anti-explosion glass window installation mechanism of electrical switch cabinet |
| 05/18/2011 | CN201838922U Link rod |
| 05/18/2011 | CN201838921U Guide device for oil immersed power transformer suspending hood |
| 05/18/2011 | CN201838920U Magnetic tool disk |
| 05/18/2011 | CN201838919U High-temperature low-pressure hot air deicing car |
| 05/18/2011 | CN201838523U Tool for assembling and disassembling breaking spring and closing spring of circuit breaker |
| 05/18/2011 | CN201837201U Repair test drying room for distribution transformers |
| 05/18/2011 | CN102064485A Portable overhead hoisting device special for transformer substation |
| 05/18/2011 | CN102064484A Vehicle-mounted rail trolley for assembling and disassembling electric spring operating mechanism |
| 05/18/2011 | CN102064483A Safety device for examining and repairing tower |
| 05/18/2011 | CN102064018A Damp-proof device for transformer overhauling operation |
| 05/18/2011 | CN101540482B Special replacement tool for outdoor 35kV PT fuses |
| 05/11/2011 | CN201829838U Vacuumizing device of gaseous insulated and enclosed type metal switch apparatus |
| 05/11/2011 | CN201829837U Baffle for isolating switch |
| 05/11/2011 | CN201829024U Safety warning device for maintenance state of high-voltage switch |
| 05/11/2011 | CN102055141A Temperature indicating wax sheet sticking rod for live-wire operation |
| 05/11/2011 | CN101252260B Connect mounting construction method of cable terminal with gas insulated combined electrical equipment |
| 05/04/2011 | CN201821023U Handheld temperature display wax sheet mounting device |
| 05/04/2011 | CN201821022U Multifunctional operating rod for power distribution system and connector for multifunctional operating rod |
| 05/04/2011 | CN101546889B Method for replacing main transformer of power system |
| 04/28/2011 | WO2011047766A1 Diagnosis and maintenance device for a switchgear assembly and corresponding switchgear assembly |
| 04/27/2011 | CN201813086U Disconnecting switch overhaul lifting appliance |
| 04/27/2011 | CN201813085U Insulated and foldable repairing platform |
| 04/27/2011 | CN201812777U Link |
| 04/27/2011 | CN201812630U Device for installing transformer |
| 04/27/2011 | CN102035144A False-switching-resistance switch stop lever of grounding pole |
| 04/21/2011 | DE102010048569A1 Prüfvorrichtung zum Prüfen eines Mittel- bis Hochspannungsüberwachungsstromkreises Test apparatus for testing a medium to high voltage monitoring circuit |
| 04/20/2011 | CN201805176U Temporary grounding wire storage device |
| 04/20/2011 | CN201805168U Special move tool for high-voltage switch cabinet |
| 04/20/2011 | CN201805167U Dedicated tool for replacing outdoor 35KVPT fuse |
| 04/20/2011 | CN201805166U Ejector device for dismounting connecting surfaces of high pressure electrical products |
| 04/20/2011 | CN102025114A Distributor wiring protection device |
| 04/20/2011 | CN102024609A Method and device for blocking leakage of sulfur hexafluoride |
| 04/13/2011 | CN201797247U Overhauling frame for valve body of circuit breaker mechanism |
| 04/13/2011 | CN201797246U Electrically operated mechanism tool car for isolating switch |
| 04/13/2011 | CN201797245U Replacing tool for finger touch pull spring of high-voltage alternating current isolating switch |
| 04/13/2011 | CN201797244U Portable and movable type insulating baffle plate for electrician |
| 04/13/2011 | CN201797243U Fishing rod type overhead operation maintenance platform |
| 04/06/2011 | CN201789223U 10kV insulating partition assembling device |
| 04/06/2011 | CN201789222U Baffle for blocking small animals |