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CHANGZHOU DUOWEI ELECTRIC CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    169,094
About

CHANGZHOU DUOWEI ELECTRIC CO LTD has a total of 13 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets machine tools, electrical machinery and energy and transport are M&S ELECTRIC DRIVE SYSTEM CO LTD, ANHUI EVOTEC POWER GENERATION CO LTD and NINGXIA NORTHWEST JUNMA ELECTRIC MFG CO LTD.

Patent filings in countries

World map showing CHANGZHOU DUOWEI ELECTRIC CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing CHANGZHOU DUOWEI ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhou Jianhua 9
#2 Jiang Xiongzhi 8
#3 Liu Jin 5
#4 Chen Song 2
#5 Chen Maowu 2
#6 Zhou Jingjing 1
#7 Du Jinlei 1
#8 Tang Haipeng 1

Latest patents

Publication Filing date Title
CN110940915A SPC data transmission and analysis system and method applied to brushless direct current motor
CN110890823A Motor and driving power assisting system
CN110814087A Pressure self-correcting device
CN110829752A Automatic press fitting tool for rotor clamp spring
CN110836142A Handheld barring device
CN104779761A Brushless motor Hall signal optimization process
CN104777439A Magnetic flux test device for straight motor
CN104779744A Direct-current permanent magnet servomotor
CN104772381A Rapid fixed-length cutting-off device for round steel
CN103855825A DC brushless motor rotor
CN103855830A Heat dissipating device for rotor of linear motor
CN103855897A Disc-type electric machine
CN103855896A Permanent magnet DC motor