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CCCC TUNNEL ENGINEERING COMPANY LTD

Overview
  • Total Patents
    77
  • GoodIP Patent Rank
    19,304
  • Filing trend
    ⇩ 36.0%
About

CCCC TUNNEL ENGINEERING COMPANY LTD has a total of 77 patent applications. It decreased the IP activity by 36.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and machines are CHINA TIESIJU CIVIL ENG GROUP CO LTD, CHINA RAILWAY NO 5 ENG GROUP and CHINA RAILWAY NO 10 ENG GROUP CO LTD.

Patent filings in countries

World map showing CCCC TUNNEL ENGINEERING COMPANY LTDs patent filings in countries
# Country Total Patents
#1 China 77

Patent filings per year

Chart showing CCCC TUNNEL ENGINEERING COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Xiaopeng 15
#2 Yao Zhanhu 12
#3 Sun Jianping 11
#4 Deng Shichao 11
#5 Zhang Yingming 9
#6 Xia Pengju 9
#7 Shao Mingyue 9
#8 Jing Min 8
#9 Chen Yu 7
#10 Yang Rui 7

Latest patents

Publication Filing date Title
CN112012222A Construction system and construction method for hard rock stratum upright post pile in urban sensitive area
CN112101621A Discrete variable-based soft soil stratum shield construction surface deformation prediction method
CN111878098A Concrete pouring device and method for shield starting base
CN111854715A Pipe ring flatness measuring method based on total station
CN111878110A Tunnel portal plugging device and method for shield tunnel starting
CN111828027A Total station changing method based on mobile turning point
CN111570177A Device for coating release agent on tunnel lining trolley
CN111593751A Structure and method for preventing and treating water and soil loss of high, large, steep and long slope
CN111498679A Box culvert hoisting machine constructs
CN111484285A Paste mortar for tunnel vault mortar anchor rod construction and grouting method thereof
CN111236242A Antitorque foundation ditch of bailey beam excavates platform under water
CN111173562A Construction method of tunnel longitudinal drain pipe inspection well
CN111042246A Sand pumping ship
CN111085575A Steel plate bending press
CN111041994A Pier stud wraps up in mould device
CN111015475A Template deruster
CN110921276A Wind shield transportation support for paint spraying
CN110924250A Height mark control device is pour to high-speed switch bed plate of ballastless track
CN110985004A Pre-reinforcing system for advanced small guide pipe and construction method thereof
CN110734260A superfluid type explosion-proof non-ignition concrete and preparation method thereof