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THE 4TH CONSTRUCTION ENG CO LTD OF CHINA RAILWAY NO 4 ENG GROUP

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    117,385
  • Filing trend
    ⇩ 100.0%
About

THE 4TH CONSTRUCTION ENG CO LTD OF CHINA RAILWAY NO 4 ENG GROUP has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and computer technology are NO 4 ENGINEERING COMPANY LTD OF CCCC FIRST HARBOR ENGINEERING COMPANY LTD, SHANGHAI CIVIL ENG CO LTD OF CREC and CHINA RAILWAY SHANGHAI DESIGN INST GROUP CO LTD.

Patent filings in countries

World map showing THE 4TH CONSTRUCTION ENG CO LTD OF CHINA RAILWAY NO 4 ENG GROUPs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing THE 4TH CONSTRUCTION ENG CO LTD OF CHINA RAILWAY NO 4 ENG GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Xiaowen 13
#2 Wang Genjie 12
#3 Gao Yuan 11
#4 Liu Kui 10
#5 Zhan Taotao 8
#6 Tong Pengcheng 6
#7 Nie Yong 5
#8 Liu Kun 4
#9 Liu Yingying 4
#10 Han Feiluo 3

Latest patents

Publication Filing date Title
CN107457888A A kind of template for prefabricated components
CN107368640A A kind of intrusive mood electronic sand table implementation method and device based on BIM technology
CN107014363A A kind of new measurement mark workpiece for ensureing measurement accuracy
CN107034743A A kind of compound fragment rail bed and its construction method for light rail or subway
CN107145652A A kind of method that system's conversion construction coordinate system is changed for BIM arbitrary coordinates
CN106840124A A kind of method for the quick surveying and locating of skyscraper
CN106245675A A kind of novel assembled piping lane
CN106149480A It is applicable to the straight thread stake machine without hydraulic thick sand bed geology and construction method
CN106150083A A kind of slip form platform of metro depot beam slab concrete structure construction
CN106088608A A kind of slding form operation method of metro depot beam slab xoncrete structure
CN106437047A Plant roof panel transporting and mounting equipment
CN106012862A Accurate positioning assembly for supporting cushion anchor bolt holes and construction method thereof
CN105804449A Stability component for train cleaning and manufacturing method thereof
CN105507163A Device for discriminating swivel bridge weighing test critical point and detection method