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THE FIFTH ENGEERING CO LTD OF CHINA RAILWAY 5TH BUREAU GROUP CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    119,235
  • Filing trend
    ⇩ 50.0%
About

THE FIFTH ENGEERING CO LTD OF CHINA RAILWAY 5TH BUREAU GROUP CO LTD has a total of 14 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and materials and metallurgy are ALFRED THIEMANN, GRINAKER LTA LTD and JOSEPH FRANCIS JOY.

Patent filings in countries

World map showing THE FIFTH ENGEERING CO LTD OF CHINA RAILWAY 5TH BUREAU GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing THE FIFTH ENGEERING CO LTD OF CHINA RAILWAY 5TH BUREAU GROUP CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Materials and metallurgy

Top inventors

# Name Total Patents
#1 Wu Xiuxiong 9
#2 Wang Kairong 7
#3 Liu Bangxi 5
#4 Shen Jian 5
#5 Wang Songneng 5
#6 Hong Feng 4
#7 Jiang Zhiquan 4
#8 Zhou Chonglian 3
#9 Xie Zhenyi 3
#10 Zhong Yong 3

Latest patents

Publication Filing date Title
CN112145202A Device for ensuring impervious strength of tunnel cast concrete and construction method
CN112196589A Device for accurately positioning tunnel embedded hole and mounting and dismounting method thereof
CN110454192A A kind of Tunnel Second Lining trolley end head formwork
CN110486045A Arch bridge type tunnel lining trolley
CN108518229A Large deformation weak broken wall rock outsized section tunnel excavation supporting structure and construction method
CN109057823A Hydraulic tunnel deep camber section lining trolley
CN107587881A A kind of composite lining structure and construction technology for permafrost tunnel
CN107448215A A kind of Tunnel Second Lining A fonts chassis width tunable arrangement
CN106988755A A kind of tunnel portal weak surrounding rock section overlength pipe shed construction method
CN106988758A One kind is used to pass through large-scale vertical solution cavity group method for tunnel construction
CN106631152A Method for making high-performance concrete for high-speed railway ballastless track through manufactured sand
CN106437765A Long-span variable section tunnel secondary lining trolley and construction method thereof
CN106351671A Excavation and supporting structure for weak surrounding rock super-large cross-section tunnel and construction method thereof
CN106401614A Supporting structure for large-section weak surrounding rock tunnel construction and construction method thereof