Learn more

THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GROUP

Overview
  • Total Patents
    37
  • GoodIP Patent Rank
    42,375
  • Filing trend
    ⇩ 14.0%
About

THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GROUP has a total of 37 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, measurement and packaging and shipping are BEIJING MUNICIPAL ROAD & BRIDGE CO LTD, NAWOO TECHNOLOGY CO LTD and HONGRUN CONSTR GROUP CO LTD.

Patent filings in countries

World map showing THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GROUPs patent filings in countries
# Country Total Patents
#1 China 37

Patent filings per year

Chart showing THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Zhijun 19
#2 Zhang Zhiyue 17
#3 Jiang Zaolong 9
#4 Li Baojun 8
#5 Feng Xiaozhe 7
#6 Dong Juhong 6
#7 Li Kang 5
#8 Wei Junlu 5
#9 Jin Bo 5
#10 Fan Zhongbing 5

Latest patents

Publication Filing date Title
CN111829495A Quick indicating device of tunnel excavation profile
CN111927472A Rapid indication method for tunnel excavation profile
CN111980073A Deep basal pit stagnant water structure seepage defect prevention device
CN111980092A Deep foundation pit excavating device and operation method
CN111809633A Deep foundation pit collapse prevention structure
CN111980031A Deep basal pit construction safety device
CN111980025A Deep basal pit major structure pours forming device
CN111994809A Deep basal pit section of jurisdiction installation guiding device
CN111980018A Drilling secant pile sleeve for deep foundation pit construction
CN111794248A Spliced deep foundation pit slope protection device
CN111809632A Deep foundation pit cover digging construction main structure supporting device
CN111980030A Deep foundation pit deformation-resistant structure based on rope design
CN111979867A Spliced road
CN111648797A Hydraulic tunnel pipeline installation trolley, installation system and installation method
CN111335178A Small-curve-radius steel box girder bridge girder erection machine and erection construction method
CN110966018A Tunnel portal sealing device based on shield tunneling machine starting and receiving and construction method
CN110863434A Device for adjusting transverse pre-camber of steel box girder and construction method
CN110645006A Steel sleeve structure and assembling method
CN110618254A Test device for measuring saline soil collapsibility
CN110386544A A kind of hoisting ring device for heavy steel reinforcement cage lifting