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CRRC QIQIHAR ROLLING STOCK CO LTD

Overview
  • Total Patents
    290
  • GoodIP Patent Rank
    5,265
  • Filing trend
    ⇧ 60.0%
About

CRRC QIQIHAR ROLLING STOCK CO LTD has a total of 290 patent applications. It increased the IP activity by 60.0%. Its first patent ever was published in 2011. It filed its patents most often in China, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, packaging and shipping and civil engineering are LINKE HOFMANN BUSCH, TALBOT WAGGONFAB and KING GEORGE I.

Patent filings per year

Chart showing CRRC QIQIHAR ROLLING STOCK CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Tianjun 50
#2 Zheng Heping 43
#3 Wu Zhenguo 38
#4 Wu Rongkun 37
#5 Li Hua 31
#6 Xu Shifeng 30
#7 Fu Yong 28
#8 Yuan Bo 27
#9 Shen Caiyu 27
#10 Liu Zhenming 25

Latest patents

Publication Filing date Title
CN112158594A Express cabinet
CN112249046A All-side-opening box wagon
CN112249091A Data transmission system and train
CN112172851A Rail vehicle and end wall thereof
CN112249061A Carriage and vehicle with same
CN112046943A Tank container
CN112046535A Axial rubber pad and cross bracing bogie
CN111959959A Tank container
CN112046524A Axle end power generation device of railway vehicle and bogie
CN112208950A Can type container system
CN112093301A Transport frame and container with same
CN112145011A Control system, carriage and vehicle of top cap
CN112141150A Carriage and vehicle with same
CN112124347A Bathtub structure and have its vehicle chassis
CN112124344A Movable side door locking device
CN112014095A Loading device for fatigue test of side frame of bogie of railway wagon
CN112051227A Method for detecting silicon content in aluminum alloy
CN111959541A Open wagon
CN111982546A Fatigue test bed of railway wagon and fatigue test method for working condition of shifting or stopping railway wagon
CN111982536A Vehicle body acceleration fatigue test method and method for acquiring driving signal thereof