Learn more

CRRC YONGJI ELECTRIC CO LTD

Overview
  • Total Patents
    381
  • GoodIP Patent Rank
    3,913
  • Filing trend
    ⇧ 53.0%
About

CRRC YONGJI ELECTRIC CO LTD has a total of 381 patent applications. It increased the IP activity by 53.0%. Its first patent ever was published in 2016. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Ukraine. Its main competitors in its focus markets electrical machinery and energy, transport and audio-visual technology are HEFEI JEE POWER SYS CO LTD, GUIYANG AVIATION ELECTRICAL MACHINERY CO LTD and TECO WESTINGHOUSE MOTOR CO.

Patent filings in countries

World map showing CRRC YONGJI ELECTRIC CO LTDs patent filings in countries

Patent filings per year

Chart showing CRRC YONGJI ELECTRIC CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhan Zhejun 66
#2 Zhang Ruifeng 63
#3 Liang Haigang 46
#4 Wang Lei 45
#5 Yu Senlin 39
#6 Zhang Jibin 34
#7 Ma Lianfeng 30
#8 Wang Bin 30
#9 Gao Yongjun 28
#10 Xi Daiqi 28

Latest patents

Publication Filing date Title
CN112255524A Protection method and detection device for electric transmission traction system
CN112271908A Capacitor pressing device in electric locomotive converter
CN112290820A Composite detection and control method for load sudden change of locomotive four-quadrant converter
CN112242769A Water-cooling explosion-proof motor with modular design
CN112242779A Direct electric driving roller device
CN112230145A Rotation test device for modular linear induction motor
CN112242780A Permanent magnet synchronous motor with rotor temperature measuring device
CN112234778A Bearing protection method during transportation of permanent magnet motor
CN112242796A Network voltage fluctuation composite detection control device of locomotive traction converter and control method thereof
CN112259975A Wall-penetrating terminal of rail traffic deflector
CN112230143A Asynchronous motor online detection device and method
CN112172544A Electric automobile anti-dragging control circuit based on motor controller
CN112242778A High-power high-speed magnetic suspension permanent magnet motor
CN112242768A Composite end cover of enhanced heat dissipation type closed motor
CN111823868A Control method, electric transmission system and electric locomotive
CN111859757A Electric field distribution determination method, device and equipment
CN111923742A Direct-drive permanent magnet traction electric transmission system
CN111835237A Traction motor control method and device, electronic equipment and storage medium
CN111775677A Power control system of mining dump truck with new energy electric wheels
CN111749971A Internal locking type stop gasket