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CHINA RAILWAY 19TH BUREAU GROUP SIXTH ENG CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    83,269
About

CHINA RAILWAY 19TH BUREAU GROUP SIXTH ENG CO LTD has a total of 20 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, it methods for management and control are BEAUTHIER JEAN MARIE, CHINA RAILWAY NO 5 ENG GROUP and F M LOCOTOS CO INC.

Patent filings in countries

World map showing CHINA RAILWAY 19TH BUREAU GROUP SIXTH ENG CO LTDs patent filings in countries

Patent filings per year

Chart showing CHINA RAILWAY 19TH BUREAU GROUP SIXTH ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Guoqiang 12
#2 Wang Juntao 9
#3 Zhou Baochun 9
#4 Xian Guo 6
#5 Zhong Shiwu 5
#6 Shang Erhai 5
#7 Wang Hailiang 5
#8 Wang Qi 5
#9 Tao Qi 5
#10 Chen Kun 5

Latest patents

Publication Filing date Title
CN111691273A Tool for constructing highway and municipal road curb and using method
CN111945493A Construction process for turnout of subway integral track bed
CN111236216A Construction method of bridge drilled pile
CN111168357A Device and method for replacing knuckle bearing of beam transporting vehicle
CN111236951A Method for reinforcing secant pile at tunnel portal section of aeolian sand stratum
CN111155451A Method for dismantling highway-span iron bridge
CN111155437A Grouting plug with good sealing performance
CN111005323A Supporting method and device for variable-slope cover beam end mold of highway bridge engineering
CN110130938A The Wedge-type sealing device and its construction method of a kind of tunnel-liner longitudinal direction construction joint
CN110185470A A kind of tunnel cross formula grouting for water blocking hole structure and its construction method
CN110130948A A kind of two steps band inverted arch quick closure tunnel support structure and its construction method
CN109637173A A kind of dispatching method, computer installation and the computer readable storage medium of construction tunnel traffic
CN109697473A A kind of detection method, computer installation and the computer readable storage medium of construction tunnel vehicle violation
CN109711743A A kind of wire examination method that construction tunnel vehicle is turned out for work, computer installation and computer readable storage medium
CN109685479A A kind of methods of exhibiting, computer installation and the computer readable storage medium of construction tunnel progress
CN109113757A Tunnel cross mouth rapid constructing method
CN108979529A A kind of two arm rock drilling jumbo tunnel boring methods
CN109057801A The construction method of the compound step large cross-section tunnel excavation supporting of bilateral wall base tunnel