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CHINA RAILWAY CORP

Overview
  • Total Patents
    255
  • GoodIP Patent Rank
    6,028
  • Filing trend
    ⇧ 47.0%
About

CHINA RAILWAY CORP has a total of 255 patent applications. It increased the IP activity by 47.0%. Its first patent ever was published in 2011. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, transport and digital networks are BEIJING WINSION TECH CO LTD, SHANGHAI SHENTONG METRO GROUP CO LTD and CHINA STATE RAILWAY GROUP CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY CORPs patent filings in countries

Patent filings per year

Chart showing CHINA RAILWAY CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Jin 13
#2 Wang Jian 11
#3 Su Yonghua 11
#4 Wang Xiaomin 10
#5 Cai Bogen 10
#6 Hu Suoting 9
#7 Ma Lin 8
#8 Chen Jianyi 7
#9 Wei Feng 7
#10 Yang Xinyi 7

Latest patents

Publication Filing date Title
CN110827240A Method and device for positioning rail profile
CN110765887A Automatic identification technology and detection method for tunnel lining cracks
CN110409232A A kind of quick adjuster of fragment-free track slab
CN110512477A A kind of quick fine adjusting method of fragment-free track slab
CN110533229A Orbital maintenance moment prediction technique and device
CN110455210A A kind of high-speed rail tunnel-type position sensing method based on imbedded fiber
CN110254297A Non-bolt forging type dropper
CN110281818A Non-bolt forging type registration clamp
CN110485222A A kind of dynamic data inversion method and device
CN110267266A A kind of improved train control system secure data exchange method
CN110186700A A kind of high-speed EMUs pivoted arm node device for testing dynamic stiffness and test method
CN110805469A Stability grading method for construction tunnel face by mountain tunnel drilling and blasting method
CN110330273A Fibre reinforced concrete raw material, fibre reinforced concrete and its preparation method and application
CN110217217A Railway freight-car air damping fault distinguishing method
CN110197133A It will test the method and apparatus that waveform is aligned
CN110188405A Face concrete spraying support design method
CN110284902A Face grouting parameter design method
CN110148836A Ground exploring radar antenna shell
CN110099535A EMU control unit mounting structure
CN110139526A EMU modularized combination type converter box