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NO 6 ENG CORPORATION OF CHINA RAILWAY 19 BUREAU GROUP

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    162,023
About

NO 6 ENG CORPORATION OF CHINA RAILWAY 19 BUREAU GROUP has a total of 11 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and machines are FUTE INTELLIGENT EQUIPMENT CHONGQING CO LTD, KOPALNIA WEGLA KAMIENNEGO SZOM and GERHARD WERNER.

Patent filings in countries

World map showing NO 6 ENG CORPORATION OF CHINA RAILWAY 19 BUREAU GROUPs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing NO 6 ENG CORPORATION OF CHINA RAILWAY 19 BUREAU GROUPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Liu Guoqiang 10
#2 Wang Juntao 5
#3 Gao Yong 4
#4 Chen Siyang 4
#5 Zhou Baochun 3
#6 Wang Hailiang 2
#7 Wu Rongbao 1
#8 Chen Xiwu 1
#9 Wei Mingyi 1
#10 Chen Zhijun 1

Latest patents

Publication Filing date Title
CN108843348A Collapsible tunnel anchor-section lining trolley and its construction method
CN108952783A A kind of dual supporting pre-embedded construction method in tunnel
CN108868831A Large cross-section tunnel excavation supporting structure
CN108868883A Tunnel and its construction method
CN108894726A Three arm rock drilling jumbo full section of tunnel drilling operation methods
CN108871119A Tunnel cloth hole blasting method
CN108798778A The levelling layer sewerage system of the reserved filling in tunnel and its construction method
CN108756989A A kind of Tunnel Ventilation System and tunnel ventilation method
CN108677639A A kind of extremely frigid zones highway subgrade structure and construction method
CN108506028A A kind of tunnel lining trolley vault comprehensive grouting pipe device and its application method
CN108643949A A kind of anchor rod construction method of tunnel breaking surrounding rock