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WUHAN CHANGHAI ELECTRICAL TECHNOLOGY DEV CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    206,470
About

WUHAN CHANGHAI ELECTRICAL TECHNOLOGY DEV CO LTD has a total of 14 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 and environmental technology are SHOURUI BEIJING INVEST MAN GROUP CO LTD, HUNAN ELECTRIC POWER DESIGN INST and VNI PK T I RELESTROENIYA.

Patent filings in countries

World map showing WUHAN CHANGHAI ELECTRICAL TECHNOLOGY DEV CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing WUHAN CHANGHAI ELECTRICAL TECHNOLOGY DEV CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Le Hongyou 5
#2 Mei Jun 4
#3 Zhong Jike 4
#4 Bao Yongquan 4
#5 Wang Jinlong 3
#6 Deng Wei 3
#7 Zou Weihua 3
#8 Ma Ziwen 2
#9 Zhao Chenghong 2
#10 Jin Xuefeng 2

Latest patents

Publication Filing date Title
CN105280402A Mobile large-current contact finger mechanism
CN105225857A A kind of heavy current disconnecting switches contact finger mechanism
CN104157490A High-voltage direct current contactor contact system
CN104157503A Direct current switch magnetic arc blasting device
CN103560026A Multi-pole power-driven disconnecting switch
CN103560037A Load disconnecting switch
CN103236356A Current distributor
CN102820146A Combined short-circuit switch
CN102638219A Permanent magnet drive system of flotation machine
CN102624301A Variable frequency speed regulation control device and variable frequency speed regulation control method for flotation machine
CN102520628A Synchronous switch control device
CN102436976A High-voltage direct-current contactor
CN102426304A Automatic tester of direct current microcomputer protective device and testing method thereof
CN102324727A Comprehensive protection device for feeder line