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CHINA CONSTR 7TH ENG BUREAU INSTALLATION ENG CO LTD

Overview
  • Total Patents
    90
  • GoodIP Patent Rank
    16,748
  • Filing trend
    ⇧ 162.0%
About

CHINA CONSTR 7TH ENG BUREAU INSTALLATION ENG CO LTD has a total of 90 patent applications. It increased the IP activity by 162.0%. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, it methods for management and machine tools are CHINA MCC5 GROUP CORP LTD, BEIJING NO 3 CONSTRUCTION ENG CO LTD and SCEGC MECH CONSTRUCTION GROUP COMPANY LTD.

Patent filings in countries

World map showing CHINA CONSTR 7TH ENG BUREAU INSTALLATION ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 90

Patent filings per year

Chart showing CHINA CONSTR 7TH ENG BUREAU INSTALLATION ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Niu Jingsen 36
#2 Lu Chunting 28
#3 Li Zhongming 25
#4 Zhang Xin 18
#5 Xu Qian 17
#6 Zhang Chenggui 17
#7 Liu Chao 15
#8 Zhang Xiangwei 13
#9 Luo Hailong 12
#10 He Zhiqiang 10

Latest patents

Publication Filing date Title
CN112196266A Split bolt assembly
CN112227502A Drainage inspection well construction method
CN112025631A Automatic wheel disc switching device of electric tool for vertical operation of aerial work arm
CN111828049A Shallow-buried underground excavation tunnel advanced small guide pipe construction method
CN111828056A Shallow-buried underground excavation tunnel waterproof construction method
CN111828048A Method for preventing powder soil from collapsing at top of shallow-buried and underground-excavated tunnel construction hole
CN111828051A Construction method of two-lining middle partition wall injection tunnel with support
CN111705812A Recoverable assembly type foundation pit supporting construction method
CN111691586A Construction method for spraying and building wall by using phosphogypsum
CN111749361A Construction method of gypsum spraying wall
CN111576891A Construction method of bolt-connected criss-cross H-shaped steel truss
CN111561050A Ellipsoidal single-layer grid bulk construction method
CN111561148A Reinforcing apparatus at dysmorphism corner in aluminum alloy template
CN111472284A Assembling method for cantilever of prefabricated segmental beam portal crane of urban viaduct
CN111472553A Thin-wall hollow pier intensive type reinforcement modular construction method
CN111323192A Deep-buried pipeline vibration attenuation effect testing method based on dynamic compaction reinforcement
CN111454017A Novel resin type artificial stone and preparation method thereof
CN111172872A Maintenance car for repairing concrete guardrail of viaduct
CN111119071A Construction method for assembling precast concrete segment box girder
CN111042001A Temporary anchoring support-free construction method for prefabricated section beam closure section