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GUIZHOU CHANGZHENG SWITCH MFG CO LTD

Overview
  • Total Patents
    29
  • GoodIP Patent Rank
    122,872
About

GUIZHOU CHANGZHENG SWITCH MFG CO LTD has a total of 29 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy are FUJI ELECTRIC ASSETS MAN CO LT, NINGBO JINHAI ELECTRONIC CO LTD and LIN YIJIN.

Patent filings in countries

World map showing GUIZHOU CHANGZHENG SWITCH MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing GUIZHOU CHANGZHENG SWITCH MFG CO LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Electric switches

Top inventors

# Name Total Patents
#1 Huang Zhengqian 26
#2 Feng Kerang 10
#3 Zhu Rongwu 4
#4 Wang Yatao 3
#5 Ouyang Zhengding 3
#6 Zhengqian Huang 3
#7 Kerang Feng 3
#8 Dong Tianliang 3
#9 Chun Luo 3
#10 Lu Kaizhi 3

Latest patents

Publication Filing date Title
CN104916504A Motor energy storage device for universal type circuit breaker operating mechanism
CN104810218A Combined electromagnetic tripping device for universal circuit breaker
CN104465153A Novel operation mechanism of double-breaking-point air circuit breaker
CN104465200A Novel switch body for double-breaking-point air circuit breaker
CN104465139A Major loop structure of double-breaking-point universal circuit breaker
CN104465154A Contact module of double-breakpoint air circuit breaker
CN104465243A Application of special-shaped energy storage springs to operating mechanism of air circuit breaker
CN104377053A Driving mechanism of dual-power automatic transfer switch
CN104409228A Dual break point moving contact structure for dual power source automatic transfer switch
CN104332334A Novel self-locking driving structure of single rotating shaft of double-fragment automatic change-over switching device
CN104282462A Moving contact switching structure for two-section automatic transfer switching device
CN104157479A Switch-on and switch-off mechanism of automatic transfer switching equipment
CN104037935A Double-power-source switch controller with short circuit motion-refusing protection function
CN103730297A Protection level adjustable tripping devices for molded case circuit breaker
CN103681144A Double-breakpoint breaker
CN103632881A Universal double-breakpoint circuit breaker
CN103617904A Universal double-breakpoint breaker
CN103474271A High-speed transfer switching equipment
CN103441442A Isolating baffle mechanism for bypass switch
CN103441008A Instantaneous parallel transformation structure of automatic diverter switch