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HUNAN CHANGGAO HIGHVOLTAGE SWITCHGEAR GROUP CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    148,557
  • Filing trend
    ⇧ 900.0%
About

HUNAN CHANGGAO HIGHVOLTAGE SWITCHGEAR GROUP CO LTD has a total of 11 patent applications. It increased the IP activity by 900.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets electrical machinery and energy and measurement are ZHEJIANG GREAT ELECTRICAL CO LTD, GARBSEN ELECTRIC SHANGHAI CO LTD and DORMAN SMITH SWITCHGEAR LTD.

Patent filings in countries

World map showing HUNAN CHANGGAO HIGHVOLTAGE SWITCHGEAR GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

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

Focus industries

Top inventors

# Name Total Patents
#1 Deng Wenhua 8
#2 Ma Weijun 4
#3 Wang Linquan 4
#4 Jiang Xinmin 3
#5 Tang Xueping 3
#6 Chen Ping 3
#7 Wu Wei 3
#8 Wang Chunhua 3
#9 Liao Junde 3
#10 Wu Qigang 2

Latest patents

Publication Filing date Title
CN109003858A High voltage isolator Rapid arc breaking device and its method of operating in on/off switch
CN108922820A The extra-high-voltage isolated switch split type shielding case of large-scale suspension aperture and fastening method
CN109188263A A kind of high voltage isolator AC/DC voltage regulating power supply test operation secondary circuit system
CN109100662A A kind of Intelligent high-pressure disconnecting switch AC/DC voltage regulating power supply test operation system
CN108899242A A kind of disconnecting switch with built-in bus switching current device
CN109087826A A kind of disconnecting switch with bus switching current device
CN109119281A A kind of folding-jib extra-high voltage direct-current valve hall earthing switch
CN108827517A A kind of isolator operation torque real-time monitoring device
CN108711529A The horizontal on the spot earthing switch of extra-high voltage ± 1100kv direct current folding arm concertina types
CN108831789A A kind of grounding switch tripping buffer unit
CN107492465A The dish structure that rubs and its connection actuating method with disconnecting switch