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CHINA TUNNEL CONSTRUCTION CO LTD GUANGDONG

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    178,805
About

CHINA TUNNEL CONSTRUCTION CO LTD GUANGDONG has a total of 24 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering are NAGATOMO SHIGEKI, BAUSCHAEFER AKT GES FUER BERGM and HIRO CORP KK.

Patent filings in countries

World map showing CHINA TUNNEL CONSTRUCTION CO LTD GUANGDONGs patent filings in countries

Patent filings per year

Chart showing CHINA TUNNEL CONSTRUCTION CO LTD GUANGDONGs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Shafts

Top inventors

# Name Total Patents
#1 Lai Weiwen 18
#2 Yi Jue 7
#3 Guo Qinghua 6
#4 Wang Hui 5
#5 Wang Anyi 5
#6 Weiwen Lai 5
#7 Lai Lichun 4
#8 Li Xiangping 4
#9 He Lun 4
#10 Fang Qichao 4

Latest patents

Publication Filing date Title
CN105297713A Indiffusible pile foundation construction method
CN105019911A Scraper of shield machine
CN104790962A Method of switching earth pressure tunneling mode into muddy water tunneling mode for shield tunneling machine
CN104695969A Method for switching slurry tunneling mode to earth pressure tunneling mode of shield tunneling machine
CN104775826A Continuous switching construction method of muddy water soil pressure double-mode type shield
CN104695967A Ring frame beam device for shield launching and mounting method of ring frame beam device
CN104653191A Method of earth pressure shield machine tunnelling in high efficiency in water-rich round gravel stratum
CN103769312A Construction method for processing and recycling slurry shield muck
CN103628832A Centralized mud treatment system for underground diaphragm wall construction and treating method thereof
CN103628500A Grooving construction method for underground diaphragm wall in water-rich roundstone stratum
CN103628505A Construction method for underground diaphragm wall connector detection
CN103615254A Starting method for hinged shield construction machine on small radius curve
CN103244135A Construction method for manufacturing mud film in high-permeability stratum
CN102691507A Integrated fast construction method for shield machine
CN102767376A Shield balanced launching and arriving construction method
CN102561331A Drilling machine for pray stake construction and method for constructing by means of drilling machine
CN102400713A Method for auxiliary construction of water falling in tunnel by communicated channel
CN102071953A Method for casting surrounding concrete of lined steel pipe of shield tunnel
CN102022119A Shield machine balance originating method
CN102022118A Method for realizing balanced arrival of shield machine