| Patents for H02B 3 - Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear (3,442) |
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| 05/19/2010 | EP1504508B1 Switching installation provided with an electrically insulating barrier |
| 05/19/2010 | CN201478722U Rotary locking device for multisection insulation rod turning points |
| 05/19/2010 | CN201478721U Brake pull rod |
| 05/19/2010 | CN201478720U Fast oil discharging device |
| 05/19/2010 | CN201478696U Megavolt casing support for ultra-high voltage substation |
| 05/19/2010 | CN201475638U Quick air-charging automatic control device for high-pressure SF6 equipment |
| 05/19/2010 | CN101710674A High-voltage insulated short-circuit device |
| 05/12/2010 | CN201466541U Special-purpose mobile preassembly transformer station for emergency |
| 05/12/2010 | CN201466536U Controllable sedimentation adjusting mechanism |
| 05/12/2010 | CN201466535U Special box for electric power relay protection and maintenance operation |
| 05/12/2010 | CN201466534U Shielding case of relay cabinet protection device |
| 05/12/2010 | CN201466533U Pressure plate isolation hood for relay protection |
| 05/12/2010 | CN201466532U Isolation hood for secondary insurance of relay protection |
| 05/12/2010 | CN201466531U Special maintenance tool for rotary contact of isolating switch |
| 05/12/2010 | CN201466530U Device for mounting protection screen with front open-door |
| 05/12/2010 | CN201466529U Central-positioned vehicle for transferring whole set of switch equipment |
| 05/12/2010 | CN201466528U Electrical wiring mould box of high voltage switch cabinet |
| 05/12/2010 | CN201466527U Finishing tool of isolation switch quickening mechanism |
| 05/12/2010 | CN201466478U Temporary storage box for secondary insurance of relay protection |
| 05/12/2010 | CN201466473U Electrical wiring mould base of high voltage switch cabinet |
| 05/12/2010 | CN201453878U Power distribution switch overhaul anti-dropping device |
| 05/12/2010 | CN101707330A High-temperature low-pressure and low-temperature high-pressure combined hot wind deicing method for transformer substation |
| 05/12/2010 | CN101707329A High-temperature low-pressure hot wind deicing method for transformer substation |
| 05/12/2010 | CN101707328A Low-temperature high-pressure hot wind deicing method for transformer substation |
| 05/05/2010 | CN201450255U 20kv high-voltage electric cleaning device |
| 05/05/2010 | CN201450254U Hanger frame for mounting power switch |
| 05/05/2010 | CN201450253U Insulation device for overhaul of power disconnecting switch |
| 05/05/2010 | CN201450241U Power distribution cabinet return circuit module |
| 05/05/2010 | CN101702494A Platform car for installation of isolating switch mechanism |
| 05/05/2010 | CN101702493A Method used for examining and repairing intelligent device of intelligent convergence control cabinet of digital transformer substation |
| 04/28/2010 | CN201444546U Centrally-mounted enclosed switch cabinet maintenance car |
| 04/28/2010 | CN201444545U Testing stand for power transformer equipment |
| 04/28/2010 | CN201444544U Isolating switch repairing lifting device |
| 04/28/2010 | CN101699706A Treating method of fault information system sub-station for overhauling state of protective relaying device |
| 04/28/2010 | CN101699673A Novel manual phase modulator |
| 04/21/2010 | CN201440579U Air-pressure oil-recharging machine of high-voltage mutual inductor |
| 04/21/2010 | CN201440574U Grounding line clamp conversion device |
| 04/21/2010 | CN101697307A Live-replacement transformer rat guard and special tool |
| 04/14/2010 | CN201438615U Butting device for GIS equipment |
| 04/14/2010 | CN201438613U Insulating partition for maintenance of isolating switch |
| 04/14/2010 | CN101694925A Maintenance platform |
| 04/07/2010 | CN101692532A Electric power mobile workstation |
| 03/31/2010 | CN201435545Y Equipment cable clamp used for ultra-high voltage substation |
| 03/31/2010 | CN201435544Y Footing base |
| 03/31/2010 | CN201435543Y Wire incoming and ground wire sealing device for high-voltage transformer station |
| 03/31/2010 | CN201435542Y Auxiliary device for cleaning and maintaining single-string porcelain bottle in transformer station |
| 03/31/2010 | CN101685945A Repair hoisting device and method for isolating switch |
| 03/24/2010 | CN201430361Y Tongs for secondary fuse |
| 03/24/2010 | CN201430360Y Movable multifunctional tool car |
| 03/24/2010 | CN201430359Y Indicator preventing people from entering charged compartment by mistake |
| 03/17/2010 | CN201426014Y Special replacing tool of outdoor 35kV PT fuse |
| 03/10/2010 | CN201421965Y Electric appliance cabinet shifting device |
| 03/10/2010 | CN201421964Y Lifting worktable rack |
| 03/10/2010 | CN201421963Y Special plug pull for circuit breaker |
| 03/03/2010 | CN201417893Y Lifting device of power distribution cabinet |
| 02/25/2010 | DE202009015930U1 Montagevorrichtung, insbesondere für Schaltschrankgrundplatten Mounting device, especially for cabinet base plates |
| 02/25/2010 | DE102006025446B4 Kontaktier- und Anschlußelement zum Durchführen von Reparatur- und Wartungsarbeiten an elektrischen Anlagen unter Spannung Contacting and connecting element for performing repair and maintenance of electrical installations under voltage |
| 02/24/2010 | CN201413942Y Installing device for cabinet |
| 02/24/2010 | CN100592591C Holding and turning over type assembly machine for electric cabinet |
| 02/17/2010 | CN101651298A Safe guarding device for power relaying protection field work and use method thereof |
| 02/17/2010 | CN101651297A Production method of 10kSF6 full-insulated full-sealed compact looped network switch equipment |
| 02/10/2010 | CN201402931Y Mobile lifting device for isolating switch repair |
| 02/10/2010 | CN201402930Y Movable insulating service platform |
| 02/03/2010 | CN201398023Y Seal oiling device |
| 02/03/2010 | CN201398022Y Ultrahigh voltage gas insulated metal closing transmission line fixed mechanism in high drop shaft |
| 02/03/2010 | CN201398021Y Installation and lifting device of gas insulation metal closing transmission line in shaft |
| 01/27/2010 | CN201392998Y Isolating switch maintaining pole |
| 01/27/2010 | CN201392997Y Overhauling device |
| 01/27/2010 | CN201392996Y Power capacitor replacing device |
| 01/27/2010 | CN101635438A Installation fitting for insulating enclosed type fuse |
| 01/13/2010 | EP1110285B1 High-voltage switchgear and method for transporting said switchgear |
| 01/13/2010 | CN201383629Y Comprehensive power test vehicle |
| 01/06/2010 | CN201378688Y Wire base |
| 12/30/2009 | CN201374511Y Lifting frock of vacuum breaker |
| 12/30/2009 | CN101615766A Novel ladder for repairing high-voltage breaker |
| 12/23/2009 | CN201369506Y Climbing frame for isolating switch with folding-rack structure |
| 12/23/2009 | CN201369505Y 220KV isolating switch electrification direct-connection short jumper device |
| 12/16/2009 | CN101604827A Electrical secondary pre-wiring method of high-voltage switch cabinet |
| 12/16/2009 | CN101604826A Charged thermal ice-melting device |
| 12/16/2009 | CN101604825A Robot used for intelligent substation patrol |
| 12/02/2009 | CN201355746Y Insulated tool for live-line replacement of closed fuse of 10kV distribution network |
| 12/02/2009 | CN101595610A Gas-insulated switchgear assembly |
| 11/25/2009 | CN201352686Y Intelligent number searching pre-wiring analogue board of locomotive electric appliance cubicles |
| 11/25/2009 | CN101588025A Process for repairing mouth fracture of substation isolating-switch locking pins |
| 11/25/2009 | CN101588024A Process for treating leaks on tops of substation outdoor electric isolating switch operation boxes |
| 11/18/2009 | CN201349107Y Installing device for installing insulating protective pipe on conducting wire in live-wire operation mode |
| 11/18/2009 | CN201349106Y Full automatic bus machine |
| 11/18/2009 | CN201349103Y Cable core angle fitting device |
| 11/18/2009 | CN201349102Y Suspension bracket for generally overhauling isolating switch |
| 11/18/2009 | CN201349101Y Load bearing device for middle vacuum switch and ground wire |
| 11/18/2009 | CN101582570A Large-scale GIS shell and welding method thereof |
| 11/18/2009 | CN101582568A Butting unit for GIS equipment and method thereof |
| 11/18/2009 | CN101582567A Device for quickly installing chassis |
| 11/11/2009 | CN201345505Y Isolating switch repair operating platform |
| 11/04/2009 | CN201340802Y Copper screw root blowout continuing device |
| 10/21/2009 | CN201332228Y Special tool for disassembling crank arm copper sleeves arranged at the base of oil-minimum breaker |
| 10/21/2009 | CN201332227Y 万向轮运输车 Wheels truck |
| 10/21/2009 | CN201332044Y Pressure unloading tong for outdoor disconnector sensing finger |
| 10/21/2009 | CN201329831Y Standardized operating vehicle |
| 10/14/2009 | CN201327962Y Multifunctional wire smoothing pliers |