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CCCC FOURTH HIGHWAY FIRST ENG FIRMS CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    120,282
  • Filing trend
    ⇩ 100.0%
About

CCCC FOURTH HIGHWAY FIRST ENG FIRMS CO LTD has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and machines are BRIDGE & TUNNEL ENG CO LTD OF CCCC FIRST HIGHWAY ENG CO LTD, GUIZHOU HIGHWAY ENG GROUP CO LTD and BALLAST NEDAM INFRA B V.

Patent filings in countries

World map showing CCCC FOURTH HIGHWAY FIRST ENG FIRMS CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing CCCC FOURTH HIGHWAY FIRST ENG FIRMS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Guojun 7
#2 Lyu Xin 7
#3 Yao Jingwu 6
#4 Huang Chunming 6
#5 Zhang Shichen 6
#6 Liu Junqi 6
#7 Zheng Yongfei 5
#8 Li Yun 5
#9 Wang Shuo 5
#10 Huo Junchen 5

Latest patents

Publication Filing date Title
CN111676837A Gallows that construction platform of construction was set up behind public road bridge post tie beam under construction
CN111608708A Device for expanding, digging and pre-reinforcing lateral surrounding rock of tunnel
CN111441779A Excavation supporting structure widened on one side of tunnel under construction and construction method thereof
CN111088984A Tunnel unilateral widens disconnect-type's excavation platform truck
CN110485227A A kind of firm formula road structure
CN110485262A A kind of bridge sling connection structure
CN110374383A Parking stall rear support frame
CN107598813A Monkey wrench
CN107841950A Collison fence for bridge expansion joint, the reservation device of movement joint and construction method
CN106810155A Tunnel reinforcement lining cutting, injection steel fibre new-old concrete adhesive bonding method and adhesive
CN106640154A Treatment method and structure for water seepage of tunnel lining circular construction joint crack
CN105781610A Safety cabin for manual hole digging operation
CN105401594A Underground comprehensive pipe gallery lining trolley
CN105382919A Prefabricated block prefabricating die and prefabricating method thereof