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CHINA RAILWAY 16 BUREAU GROUP BEIJING METRO ENG CONSTR CO LTD

Overview
  • Total Patents
    57
  • GoodIP Patent Rank
    25,992
  • Filing trend
    ⇩ 20.0%
About

CHINA RAILWAY 16 BUREAU GROUP BEIJING METRO ENG CONSTR CO LTD has a total of 57 patent applications. It decreased the IP activity by 20.0%. 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, computer technology and materials and metallurgy are ERCHU CO LTD OF CHINA RAILWAY TUNNEL GROUP, CHINA RAILWAY 22ND BUREAU GROUP RAIL ENG CO LTD and CHINA RAILWAY CONSTRUCTION BRIDGE ENG BUREAU GROUP OF THE FIFTH ENG CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY 16 BUREAU GROUP BEIJING METRO ENG CONSTR CO LTDs patent filings in countries
# Country Total Patents
#1 China 57

Patent filings per year

Chart showing CHINA RAILWAY 16 BUREAU GROUP BEIJING METRO ENG CONSTR CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shen Shuilong 27
#2 Ma Dong 15
#3 Zhao Hongxing 9
#4 Wu Huaina 8
#5 Gu Renguo 8
#6 Liu Yuanpeng 7
#7 Huang Bangxing 7
#8 Geng Bin 7
#9 Niu Benliang 6
#10 Li Taozhe 6

Latest patents

Publication Filing date Title
CN112253214A Circulating ventilation cooling system and construction method for shield tunnel construction operation section
CN111734422A Movable total station fixing equipment and fixing method suitable for shield automatic guidance
CN111829405A Method for analyzing safety control of urban blasting based on wavelet
CN111676956A Reinforced structure at joint of ground wall and enclosure and reinforced structure construction method
CN111911211A Visual automatic supporting walking trolley for shield overlapping tunnel construction and construction method
CN111705811A Support dismantling device, system and method
CN111706077A Assembled side wall template system
CN111794768A Shield segment joint combining push fastening and bent bolt and using method thereof
CN111794780A Shield tunneling machine in-out hole safety guarantee method for water-rich round gravel stratum
CN111287191A Soft soil foundation pit excavation method
CN110985120A Precipitation construction method and system for tunnel connection channel of fractured clay layer
CN110905008A Waterproof structure of structural bottom plate and construction method
CN111119192A Foundation pit excavation method
CN110924960A Subway construction method for shield starting before constructing station structure
CN110905824A Tunnel slag discharging device, system and method
CN110902265A Belt feeder frame and continuous belt feeder of rectifying
CN110483098A A kind of method of type concrete steam maintenance in subway work
CN109900208A A kind of Tunneling by mining method excavation and first branch quality determining method
CN109824233A A kind of screening plant and construction method suitable for discarded slurry recycling
CN109882241A The equipment and construction method that headroom detects after just propping up for Tunneling by mining method