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HAIWEI ENG CONSTR CO LTD FIRST HIGHWAY ENG CO LTD CCCC

Overview
  • Total Patents
    34
  • GoodIP Patent Rank
    46,149
  • Filing trend
    ⇩ 14.0%
About

HAIWEI ENG CONSTR CO LTD FIRST HIGHWAY ENG CO LTD CCCC has a total of 34 patent applications. It decreased the IP activity by 14.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and environmental technology are CCTEB INFRASTRUCTURE CONSTRUCTION CO LTD, CHINA RAILWAY 24TH BUREAU GROUP ANHUI ENG CO LTD and THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GROUP.

Patent filings in countries

World map showing HAIWEI ENG CONSTR CO LTD FIRST HIGHWAY ENG CO LTD CCCCs patent filings in countries
# Country Total Patents
#1 China 34

Patent filings per year

Chart showing HAIWEI ENG CONSTR CO LTD FIRST HIGHWAY ENG CO LTD CCCCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hu Wenzhu 7
#2 Ge Zhenming 5
#3 Bai Xiaohong 5
#4 Wang Weiyi 4
#5 Peng Nannan 4
#6 Wu Lihui 4
#7 Chang Yongjian 3
#8 Wang Yonggang 3
#9 Fan Huibing 3
#10 Li Yafei 3

Latest patents

Publication Filing date Title
CN109868747A Precast beam construction method and device
CN109629456A A kind of precast beam traverse displacement unit and precast beam crossing system
CN109629605A Road inspection well well lid construction equipment and construction technology
CN109098357A Spigot-and-socket protective layer cushion block
CN109024634A Ecological Slope safeguard structure, guard system and Ecological Slope construction method
CN109083164A Slope protection structure, tunnel advanced support structure and tunnel slope construction method
CN108871860A Powdery material sampling device
CN109056763A Combined type cofferdam structure and underwater work platform
CN109057828A Wet blasting construction technique
CN108951367A A kind of method that asphalt mixing plant coal changes gas heating
CN108824133A A kind of modified pitch is from processing technology and system
CN109080647A Railcar and rail car system
CN108691437A Automatic greenhouse and integral type workshop
CN108502701A Rigid tubing unilateral side interpolation type safety hook
CN108798693A For band sand layer pipe jacking construction method
CN107938463A A kind of road seepage-proof structure and tunnel road surface infiltration Treatment Methods
CN107903083A Pier stud concrete curing structure and pier stud construction system
CN108108543A A kind of secondary structure Deepen Design application process of master craftsman of the Spring and Autumn period's BIM technology
CN108100888A A kind of main rope fast erecting installation method
CN108080778A Auxiliary welding equipment and welding method