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HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP CO LTD

Overview
  • Total Patents
    71
  • GoodIP Patent Rank
    20,880
  • Filing trend
    0.0%
About

HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP CO LTD has a total of 71 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy, machine tools and environmental technology are WUHU KAIXIN ARRESTER CO LTD, PANASONIC ELECTRIC WORKS DENRO and BEIJING PEOPLES ELECTRIC PLANT.

Patent filings in countries

World map showing HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 71

Patent filings per year

Chart showing HUNAN CHANGGAO HIGH VOLTAGE SWITCHGEAR GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Xueping 23
#2 Deng Wenhua 22
#3 Wang Chunhua 21
#4 Wu Shang 20
#5 Ma Weijun 19
#6 He Kun 16
#7 Ma Xiao 15
#8 Wu Qigang 13
#9 Zhang Jun 11
#10 Wang Linquan 10

Latest patents

Publication Filing date Title
CN111900024A Single-column vertical telescopic high-voltage isolating switch
CN111900023A Conductive connection structure of ice-melting short-circuit switch
CN111906734A Double-column horizontal rotation type disconnecting switch overhauling and debugging platform
CN111900020A Double-column vertical open type ice melting isolating switch
CN111958532A Isolating switch operation phase base assembling device
CN112008670A Double-column horizontal telescopic type disconnecting switch overhauling and debugging tool
CN111900021A Turnover device applied to three-column horizontal rotation type isolating switch
CN111900019A Double-column vertical open type isolating switch
CN111968824A Transformer neutral point complete protection device
CN111900022A Intermittent electric operating mechanism of ice melting switch
CN112038134A Method and device for detecting switching-on and switching-off in place of single-column double-arm vertical telescopic isolating switch
CN112038133A Method and device for detecting switching-on and switching-off in place of double-column horizontal rotary isolating switch
CN112038135A Method and device for detecting opening and closing of single-column double-arm vertical telescopic isolating switch
CN112038132A Method and device for detecting switching-on and switching-off in place of three-column horizontal rotary isolating switch
CN111900016A Transmission mechanism capable of adjusting length of force arm and high-voltage isolating switch
CN111900018A Auxiliary clamping device for isolating switch contact finger and isolating switch
CN111981971A Method and device for detecting switching-on and switching-off in-place of folding arm type isolating switch
CN111900035A Operating mechanism case power supply input unit, control circuit and operating mechanism case
CN112038157A Isolating switch
CN111922970A Isolating switch mechanism box assembling device