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CHINA RAILWAY FIFTH SURVEY & DESIGN INST GROUP CO LTD

Overview
  • Total Patents
    298
  • GoodIP Patent Rank
    5,227
  • Filing trend
    ⇧ 91.0%
About

CHINA RAILWAY FIFTH SURVEY & DESIGN INST GROUP CO LTD has a total of 298 patent applications. It increased the IP activity by 91.0%. 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, computer technology and measurement are CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GROUP CO LTD, CHINA RAILWAY SIXTH GROUP TIANJIN RAILWAY CONSTRUCTION CO LTD and KUNMING SURVEY DESIGN AND RES INSTITUTE CO LTD OF CREEC.

Patent filings in countries

World map showing CHINA RAILWAY FIFTH SURVEY & DESIGN INST GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 298

Patent filings per year

Chart showing CHINA RAILWAY FIFTH SURVEY & DESIGN INST GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Zhibin 62
#2 Liang Zhixin 60
#3 Jiang Zhongming 49
#4 Luo Jiulin 42
#5 Xiao Jinfeng 40
#6 Yang Yongqiang 40
#7 Xing Liang 40
#8 Wan Peng 34
#9 Yang Yueqin 33
#10 Huang Xinlian 33

Latest patents

Publication Filing date Title
CN112255652A Method and system for matching Beidou vehicle positioning data and railway line data
CN112227119A Medium-low speed magnetic suspension track device with variable track gauge
CN112283243A Primary and secondary sleeve maintenance-free high-thrust joint bearing capable of rotating in three dimensions
CN112270503A Construction risk evolution system, construction method and construction risk assessment method
CN112252777A Protective shed frame and method for dismantling protective shed frame
CN112252210A Foldable beam replacing machine
CN112227217A Bridge rotation system and application thereof in bridge rotation construction
CN112199750A Multi-format integration method for rail transit construction management and GIS platform
CN112200487A Passenger flow simulation method for urban rail transit transfer station
CN112129480A Roadbed vibration simulation device and method
CN112144372A Short tower cable-stayed bridge
CN112049680A Transportation limiting and adjusting system for erecting pipeline
CN112146575A System and method for monitoring beam falling deviation of bridge girder erection machine
CN112031502A Underground water storage system
CN112030779A Bridge rotation construction device and construction method
CN112183958A Planning method and device for transportation junction service facilities
CN112214872A Automatic calculation method and device for railway line longitudinal section scale information
CN111964642A Pipeline deformation detection device and method
CN112066960A Maglev traffic track panel control network CP III measurement auxiliary device and prism
CN112149059A Method and device for constructing inter-city passenger flow sharing model