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CHINA CONSTR 4TH ENG DIVISION

Overview
  • Total Patents
    466
  • GoodIP Patent Rank
    3,832
  • Filing trend
    ⇧ 341.0%
About

CHINA CONSTR 4TH ENG DIVISION has a total of 466 patent applications. It increased the IP activity by 341.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and packaging and shipping are SHANGHAI CONSTRUCTION NO 7 GROUP CO LTD, HANGZHOU ANGCHUANG TECH CO LTD and MCC TIANGONG GROUP CORP LTD.

Patent filings in countries

World map showing CHINA CONSTR 4TH ENG DIVISIONs patent filings in countries
# Country Total Patents
#1 China 466

Patent filings per year

Chart showing CHINA CONSTR 4TH ENG DIVISIONs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Kang Wei 40
#2 Long Minjian 31
#3 Miao Enxin 30
#4 Zhang Ming 27
#5 Tang Yong 20
#6 Ma Cheng 19
#7 Chen Jing 17
#8 Li Dong 17
#9 Huang Zhiliang 17
#10 Liu Shuanghong 14

Latest patents

Publication Filing date Title
CN112252668A Ash cake construction tool and use method thereof
CN112267467A Adjustable support for accurate positioning of permanent double-steel-pipe column
CN112177635A Construction method of step multiple advanced small guide pipe and construction method of overlapped tunnel
CN112252307A Pile column structure for permanently-faced combined double-steel-pipe upright column pile
CN112145203A Full-face advancing type sectional grouting construction method and overlapped tunnel construction method
CN112177615A Construction method for super-small clear distance overlapped tunnel from top to bottom
CN112211566A Manual hole digging pile hole forming method for tunneling large-particle-size moderately weathered nuclei
CN112227409A Combined tower crane foundation structure utilizing support piles and construction method
CN112160452A External wall heat insulation structure and construction method thereof
CN112195074A Waterproof cellar for storing things pond of sauce fragrant white spirit
CN112141854A Full-intelligent self-climbing conveying operation table and use method thereof
CN112128899A Automatic spraying and cooling system for roof
CN112127223A Traffic light-free intersection design method
CN112093686A Small-size massive component handling instrument
CN112207163A Bending tool for building construction
CN112092873A Transportation vehicle for flat and long components
CN112252698A Super high-rise large cantilever steel truss construction platform
CN112282389A Stable positioning device for oblique beam construction
CN112095628A Structure for controlling foundation pit deformation and construction method
CN112095644A Deep foundation pit water intercepting and draining device and construction method thereof