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CRRC QISHUYAN CO LTD

Overview
  • Total Patents
    110
  • GoodIP Patent Rank
    12,963
  • Filing trend
    ⇧ 35.0%
About

CRRC QISHUYAN CO LTD has a total of 110 patent applications. It increased the IP activity by 35.0%. Its first patent ever was published in 2016. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets transport, environmental technology and machine tools are STADLER RAIL AG, CRRC DALIAN CO LTD and CRRC NANJING PUZHEN CO LTD.

Patent filings in countries

World map showing CRRC QISHUYAN CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Chen Cheng 16
#2 Wang Long 11
#3 Xing Yingying 11
#4 Zhang Baoli 10
#5 Wang Hailong 10
#6 Xu Qi 9
#7 Shu Haoyu 9
#8 Zhang Xiaofeng 9
#9 Gao Wen 9
#10 Li Youfeng 8

Latest patents

Publication Filing date Title
CN112264763A Method for repairing bolt hole of diesel engine motor
CN112145300A Diesel engine control method for diesel locomotive
CN111923945A Track bridge inspection vehicle
CN111894720A Fusion lightweight cooling device
CN111891156A Novel corridor body structure in diesel locomotive
CN111992978A Axle-hang box grade repairing method
CN111828128A Marine diesel engine rear end support
CN111824195A Detachable top climbing device for locomotive
CN111916257A Low-halogen thin-wall insulated cable for locomotive
CN111810271A Detection system and detection method for diesel engine protection device
CN111605568A Diesel locomotive cab with multistage collision protection
CN111623704A Box body bearing hole coaxiality repairing and detecting device
CN111085717A Multifunctional machine tool accessory head performance test device
CN110979362A Novel cab with sealing structure
CN111044568A Sampling system for HY-MK05B dew point detection module
CN111077183A Sampling method for HY-MK05B dew point detection module
CN110803176A Alternating current transmission diesel locomotive control console
CN110803175A Air duct system of internal combustion engine locomotive
CN110816386A Bridge inspection vehicle bogie with anti-instability function
CN110847790A Manual stroke control mechanism