Learn more

TIANJIN URBAN CONSTR TUNNEL CO LTD

Overview
  • Total Patents
    11
About

TIANJIN URBAN CONSTR TUNNEL CO LTD has a total of 11 patent applications. Its first patent ever was published in 2012. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and measurement are CHINA RAIWAY ERYUAN GUIYANG SURVEY AND DESIGN INST CO LTD, ERCHU CO LTD OF CHINA RAILWAY TUNNEL GROUP and CHINA RAILWAY CONSTRUCTION BRIDGE ENG BUREAU GROUP OF THE FIFTH ENG CO LTD.

Patent filings in countries

World map showing TIANJIN URBAN CONSTR TUNNEL CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing TIANJIN URBAN CONSTR TUNNEL CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Wang Shiyou 5
#2 Ji Yantao 4
#3 Li Shuhuai 4
#4 Lu Shipeng 3
#5 Yantao Ji 3
#6 Ba Fang 2
#7 Du Yaming 2
#8 Tan Jinghui 1
#9 Dong Miaoyi 1
#10 Lu Min 1

Latest patents

Publication Filing date Title
CN104653190A Full-face gravel bed earth pressure balanced shield tunnel engineering method
CN104652302A Advancing construction method of ultralarge pipe roofing box culvert
CN104653186A Method of earth pressure balance shield crossing reinforced concrete pile foundation building
CN104652425A Technical method for reinforcing soil of shield end well through bamboo reinforcement concrete pouring pile
CN104655092A Triangular single well directional measurement method used in subway shield construction
CN104655099A Safe settlement observing method
CN104652457A Construction method for Larsen sheet pile cofferdam for foundation pit of Haihe river
CN104653189A Whole-covering type horizontal freezing method end soil reinforcement shield tunnel-entering construction method
CN102797483A Pile casing and water-rich strata shield pile casing receiving method
CN102606163A Shield tunnel construction ground settlement control method
CN102619522A Construction method for subway contact passage