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CHINA RAILWAY SEVENTH GROUP CO LTD

Overview
  • Total Patents
    83
  • GoodIP Patent Rank
    18,516
About

CHINA RAILWAY SEVENTH GROUP CO LTD has a total of 83 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and computer technology are KUNMING SURVEY DESIGN AND RES INSTITUTE CO LTD OF CREEC, SEOK JUNG CONSTRUCTION CO LTD and 5TH ENG CO LTD MBEC.

Patent filings in countries

World map showing CHINA RAILWAY SEVENTH GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 83

Patent filings per year

Chart showing CHINA RAILWAY SEVENTH GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Weixin 22
#2 Yuan Yihua 20
#3 Xia Wang 18
#4 Wang Yingjun 14
#5 Zou Ming 13
#6 Tan Yunya 11
#7 Zhang Wenge 11
#8 Li Changshan 10
#9 Gao Xiang 8
#10 Chen Bin 8

Latest patents

Publication Filing date Title
CN112227681A Novel socket key groove type formwork support, formwork system and building method thereof
CN112112168A Deep foundation pit pile anchor supporting system and construction method thereof
CN112195927A Deep foundation pit pile anchor support construction method adopting foundation pit deformation monitoring
CN112163260A High-pier large-span T-structure bridge temperature field distribution analysis and temperature effect control method
CN112286089A Intelligent monitoring system for high-pier long-span bridge construction process
CN112230690A Mass concrete construction quality control method for pier-beam consolidation part of high-pier large-span bridge
CN112163256A Method for establishing and analyzing template support model based on finite element analysis and BIM
CN112255938A Intelligent detection control system for high pier hydraulic creeping formwork
CN112231797A Arch bridge and road-bridge transition section mechanical analysis method based on arch filler
CN112284277A Tunnel portal slope deformation monitoring system and method based on computer vision
CN112254660A Tunnel intelligent monitoring and measuring information integration and early warning system
CN111576248A Dismantling method for cantilever cast-in-situ beam hanging basket system
CN111397458A Hydraulic smooth blasting construction method suitable for granite geology III-level surrounding rock
CN111723499A On-line monitoring method for lower part stress of spherical hinge in swivel construction process
CN111502703A Method for carrying out construction by utilizing vertical height continuous gradual change type section tunnel secondary lining trolley
CN111520145A Underground excavation tunnel primary support slope adjusting and arch changing construction method
CN111502722A Method for replacing arch by utilizing tunnel primary support arch replacing support structure
CN111305077A Bridge engineering construction method based on Mixed Reality (MR) technology
CN111321672A Jacking construction method and device for jacking box bridge with over-standard head planting
CN111255462A Pipe curtain cover excavation top-down construction method for subway station construction