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CHINA RAILWAY ERYUAN ENG GROUP

Overview
  • Total Patents
    1,347
  • GoodIP Patent Rank
    1,294
  • Filing trend
    ⇧ 64.0%
About

CHINA RAILWAY ERYUAN ENG GROUP has a total of 1,347 patent applications. It increased the IP activity by 64.0%. Its first patent ever was published in 2007. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Russian Federation. Its main competitors in its focus markets civil engineering, computer technology and transport are CHINA RAILWAY ENG CONSULTATION GROUP CO LTD, CN RAILWAY SIYUAN SURVEY & DES and CHINA RAILWAY SIXTH GROUP TIANJIN RAILWAY CONSTRUCTION CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY ERYUAN ENG GROUPs patent filings in countries

Patent filings per year

Chart showing CHINA RAILWAY ERYUAN ENG GROUPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yao Yuchun 233
#2 Li Anhong 183
#3 Chen Kejian 127
#4 Chen Weizhi 118
#5 Xiao Chaoqian 108
#6 Yang Guojing 102
#7 Wu Peipei 99
#8 Yang Jizhong 97
#9 Zeng Yongping 96
#10 Zeng Yonghong 87

Latest patents

Publication Filing date Title
CN112281877A Cutting high slope construction method
CN112288401A Method for rapidly generating code sequence table based on interlocking table
CN112268716A Rack rail test bogie
CN112144323A Ballastless track steel rail high damping fixed knot constructs
CN112253209A Self-adaptive ventilation structure for tunnel construction
CN112212843A Method for synchronous measurement and joint adjustment of railway CP II and CP III control networks
CN112182818A Reliability analysis optimization method for rainwater pipe network nodes
WO2021057875A1 Spherical steel support
CN112186800A Distributed multi-power-supply airport intelligent micro-grid system
CN112211059A Inclined overhanging type supporting structure
CN112096413A Heat insulation and cooling system suitable for high-ground-temperature tunnel and implementation method thereof
CN112198039A Medium-low speed magnetic suspension fastener system fatigue test device and test method thereof
CN111979926A Method for pouring concrete in pipe of long-span concrete-filled steel pipe arch bridge in plateau alpine region
CN112069584A Design method of ductile structural pier for railway
CN112031121A Flood control deep tunnel and flood drainage method
CN111851256A Cable-stayed bridge main beam connected with anchor plate
CN111891193A Method and system for determining PRT guide rail block interval state
CN111981087A Metal energy consumption limiting and beam falling preventing device for bridge
CN111878538A Shearing type energy-consumption beam-falling-preventing device
CN111970638A Automatic vehicle protection method and system based on space positioning