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CHINA RAILWAY NO 5 ENG GROUP

Overview
  • Total Patents
    218
  • GoodIP Patent Rank
    8,014
  • Filing trend
    ⇧ 13.0%
About

CHINA RAILWAY NO 5 ENG GROUP has a total of 218 patent applications. It increased the IP activity by 13.0%. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machines and measurement are CHINA RAILWAY 20 BUREAU GROUP CORP, CHINA RAILWAY 12TH BUREAU GR and BEAUTHIER JEAN MARIE.

Patent filings in countries

World map showing CHINA RAILWAY NO 5 ENG GROUPs patent filings in countries
# Country Total Patents
#1 China 218

Patent filings per year

Chart showing CHINA RAILWAY NO 5 ENG GROUPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhou Hao 45
#2 Xia Zhenrong 18
#3 Wu Xiuxiong 14
#4 Fu Qiang 13
#5 Xiao Chengyi 13
#6 Zhang Jiafang 13
#7 Huang Guang 13
#8 Chen Zuojin 13
#9 Li Zhigang 12
#10 Chen Bin 11

Latest patents

Publication Filing date Title
CN112284460A Subway evacuation platform limit detection device and using method thereof
CN112065449A Tunnel advanced grouting support method
CN112065442A Continuous beam closure section construction method based on karst cave underground river environment tunnel construction
CN112065443A Continuous beam second section construction method based on karst cave underground river environment tunnel construction
CN112065445A Karst cave section excavation supporting construction method based on karst cave underground river environment tunnel construction
CN112065441A Continuous beam concrete pouring construction method based on karst cave underground river environment tunnel construction
CN112065437A Continuous beam support pre-pressing construction method based on karst cave underground river environment tunnel construction
CN112065438A Continuous beam third section construction method based on karst cave underground river environment tunnel construction
CN112065462A Karst cave section construction rack for construction of tunnel in karst cave and underground river environment
CN112065444A Continuous beam construction method based on karst cave underground river environment tunnel construction
CN112095438A Continuous beam pipeline reinforcing bar friction loss testing method based on karst cave underground river environment
CN112065440A Continuous beam pipeline grouting construction method based on karst cave underground river environment tunnel construction
CN112065439A Continuous beam bell mouth friction loss testing method based on karst cave underground river environment
CN112065436A Continuous beam prestress tensioning construction method based on karst cave underground river environment tunnel construction
CN111894603A Tunnel construction method based on karst cave underground river environment
CN111878112A Karst cave section concrete spraying construction method based on karst cave underground river environment tunnel construction
CN111878092A Karst cave section full-filling ventilation method based on karst cave underground river environment tunnel construction
CN111878090A Karst cave section anchor rod construction method based on karst cave underground river environment tunnel construction
CN111878087A Karst cave section anchor cable construction method based on karst cave underground river environment tunnel construction
CN111878093A Construction method for side area of tunnel main tunnel in tunnel construction of karst cave and underground river environment