| Patents for H02B 3 - Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear (3,442) |
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| 07/17/2013 | CN203066839U Insulated extension ladder |
| 07/17/2013 | CN203065072U Outdoor substation equipment hoisting device |
| 07/10/2013 | CN203056432U On-line assembling device for whole-set electrical switch cabinet |
| 07/10/2013 | CN203056431U Electric power maintenance work bench |
| 07/10/2013 | CN203056430U Intelligent ground wire managing device |
| 07/10/2013 | CN203056429U Steel pipe pole column |
| 07/10/2013 | CN203056428U Transformer top cover opening device |
| 07/10/2013 | CN203056427U Movable sulfur hexafluoride cylinder heater |
| 07/10/2013 | CN203056426U High-voltage batch meter reading and maintaining operation platform |
| 07/10/2013 | CN203056425U Anti-error-touch protection cover of switch cabinet operating mechanism |
| 07/10/2013 | CN203056397U Flame-retardant explosion-proof window |
| 07/10/2013 | CN203056338U Secondary short circuit seal line device for voltage transformer at transformer station |
| 07/10/2013 | CN203056136U Rectangular bus ground wire link |
| 07/10/2013 | CN203055802U Device for mounting and dismounting breaker connection-disconnection spring |
| 07/10/2013 | CN203048389U Breaker hoisting tool |
| 07/10/2013 | CN103199452A Movable external temporary electricity box frame |
| 07/10/2013 | CN103199451A Drop switch rush-repair device when power is uninterruptible |
| 07/10/2013 | CN103199450A Ceramic and glass insulative module power distribution unit and preparation technology of same |
| 07/10/2013 | CN103199449A Method for replacing indoor handcart type breaker |
| 07/10/2013 | CN103199448A Intelligent patrol mobile robot of power station equipment |
| 07/03/2013 | CN203039270U Isolating switch repair protective frame |
| 07/03/2013 | CN203039269U 10kV switching operation trolley |
| 07/03/2013 | CN203039268U Low-voltage switch multifunctional protection device |
| 07/03/2013 | CN203039267U Novel hydraulic trolley electric appliance switch maintenance platform |
| 07/03/2013 | CN203039266U Wiring rack for electrical switch cabinets |
| 07/03/2013 | CN203039206U Skin ground wire |
| 07/03/2013 | CN203038753U Vacuum oiling machine capable of being lifted |
| 07/03/2013 | CN203038577U Transformer station framework mis-climbing proofing support |
| 07/03/2013 | CN103187691A Special anti-dropping protection net for main transformer 10kV side inner overhaul |
| 07/03/2013 | CN103187690A Overhaul platform for series compensation device capacitor |
| 07/03/2013 | CN103187689A Method for manufacturing multifunctional control protection switching device |
| 07/03/2013 | CN103187688A Reinforced structure of combined transformer tank door, and manufacturing method of reinforced structure |
| 07/03/2013 | CN103185505A Locating rule for installing power distribution cabinet |
| 06/26/2013 | CN203026828U Dust elimination system for fire induction device of conventional transformer substation |
| 06/26/2013 | CN203026827U High-voltage primary nuclear phase test auxiliary device |
| 06/26/2013 | CN203026826U Baffle opener |
| 06/26/2013 | CN203026825U Auxiliary trolley |
| 06/26/2013 | CN203026824U Auxiliary trolley structure |
| 06/26/2013 | CN203026823U Welding tooling clamp of high-voltage switch cabinet frame |
| 06/26/2013 | CN203026822U Convenient transformer assembling and disassembling device of pre-assembled substation |
| 06/26/2013 | CN203026821U Spare maintaining device for transformer substation |
| 06/26/2013 | CN203026820U Improved brake pull-rod |
| 06/26/2013 | CN203026819U 10kV switch cabinet special mounting trolley |
| 06/26/2013 | CN203021266U Cradle |
| 06/26/2013 | CN203021254U Lifting device in switch cabinet |
| 06/26/2013 | CN103178463A Hoisting device for electric equipment of transformer substation |
| 06/26/2013 | CN103178462A Insulated angle lifting platform for live working |
| 06/26/2013 | CN103178461A Overhauling bracket for large-size power transformer |
| 06/26/2013 | CN103178460A Simple transformer gas relay demounting verification method |
| 06/26/2013 | CN103178423A Electric grounding wire mounting and demounting tool |
| 06/26/2013 | CN103177827A Liquid and gas isolation plate |
| 06/19/2013 | CN203014247U Tong-type ground-wire-connecting device |
| 06/19/2013 | CN203014231U Operating rod extender |
| 06/19/2013 | CN203014230U Transformation equipment infrared defect electrification processing apparatus |
| 06/19/2013 | CN203014229U Electric power line control switch safety-measure shielding can |
| 06/19/2013 | CN203014228U Outdoor type transformer station portable maintenance car |
| 06/19/2013 | CN203014227U Transformer voltage regulating switch hoisting device |
| 06/19/2013 | CN203014226U Armored metal switch closed cabinet latch-up fixture |
| 06/19/2013 | CN203014225U Portable current transformer mounting device |
| 06/19/2013 | CN203014224U 110Kv current transformer maintenance platform |
| 06/19/2013 | CN203014223U Wall-through sleeve core rod replacing device |
| 06/19/2013 | CN203014222U A power-on temporary fixing device of a 10kV isolating knife switch |
| 06/19/2013 | CN203014221U A pulling-out insulating baffle plate of a 10kV power distribution pole |
| 06/19/2013 | CN203014220U An overhauling platform of a GW5 isolating switch |
| 06/19/2013 | CN203014219U A novel insulating operating lever |
| 06/19/2013 | CN203014218U Non-outage maintenance device for high-voltage circuit breaker |
| 06/19/2013 | CN203014217U Low-voltage distribution box hoisting device used for transformer |
| 06/19/2013 | CN203014216U Safe electroscope used for 10kV handcart-type high-voltage switch cabinet of transformer station |
| 06/19/2013 | CN203014215U Transformer operation sound monitoring device |
| 06/19/2013 | CN203014214U Lifting tool of disassembly and assembly equipment |
| 06/19/2013 | CN203014164U Cabinet-arranging double-hook device |
| 06/19/2013 | CN203014135U Multifunctional insulating rod |
| 06/19/2013 | CN203013973U Transformer substation tube type bus double-hoop grounding device |
| 06/19/2013 | CN203013578U A dismounting device of a GW5 isolating switch contact |
| 06/19/2013 | CN203013453U Portable oil recharging device |
| 06/19/2013 | CN203006709U Guide plate for hoisting porcelain bushings and porcelain bushing hoisting tool with guide plate |
| 06/19/2013 | CN203006367U Insulating aerial ladder conveying device suitable for extra-high voltage live environment |
| 06/19/2013 | CN203005190U Bypass load transfer vehicle for power distribution system |
| 06/19/2013 | CN203003650U Electrified pneumatic light type high-voltage electrical apparatus insulation external surface rust removing device |
| 06/19/2013 | CN103166140A Generatrix clip for transformer substation |
| 06/19/2013 | CN103166139A Replacement method of 10 kilovolt (kV) rigid bus bridge |
| 06/19/2013 | CN103166138A Sectional renovating and changing method of switch cabinet based on bypass cable branch box |
| 06/19/2013 | CN103166137A Multifunctional and combined type intelligent insulating rod |
| 06/19/2013 | CN103166136A Mutual inductor installation method and equipment |
| 06/19/2013 | CN103166135A Multifunctional operational tool |
| 06/19/2013 | CN103166134A Disconnecting switch maintenance car |
| 06/19/2013 | CN103165264A Transformer oil injection tool |
| 06/12/2013 | CN202997382U Contact box and contact-box lifting apparatus |
| 06/12/2013 | CN202997374U Substation maintenance calibration stand |
| 06/12/2013 | CN202997373U Insulation power-assisting rod |
| 06/12/2013 | CN202997372U Multipurpose maintenance ladder |
| 06/12/2013 | CN202997371U Movable type quick connection switching device |
| 06/12/2013 | CN202997370U Sprayed piece air-drying and fixing device for switching equipment and control equipment manufacturing |
| 06/12/2013 | CN202997369U A work platform device for overhaul of a valve tower |
| 06/12/2013 | CN202997368U Mechanism for hoisting, moving, and installing medium-voltage electrical switch cabinet |
| 06/12/2013 | CN202997367U Bottom corner no-hole fastening device of distribution transformer |
| 06/12/2013 | CN202997366U Aluminium bar angle turning device |
| 06/12/2013 | CN202997365U Isolating switch maintenance scaffold |
| 06/12/2013 | CN202997364U Electricity testing grounding handcart |
| 06/12/2013 | CN202996720U Overhaul tool used for contactor |