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SINOHYDRO BUREAU 7 CO LTD

Overview
  • Total Patents
    234
  • GoodIP Patent Rank
    7,851
  • Filing trend
    ⇧ 45.0%
About

SINOHYDRO BUREAU 7 CO LTD has a total of 234 patent applications. It increased the IP activity by 45.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, packaging and shipping and environmental technology are SINOHYDRO BUREAU 5 CO LTD, SINOHYDRO BUREAU 11 CO LTD and CCCC TUNNEL ENGINEERING COMPANY LTD.

Patent filings in countries

World map showing SINOHYDRO BUREAU 7 CO LTDs patent filings in countries
# Country Total Patents
#1 China 234

Patent filings per year

Chart showing SINOHYDRO BUREAU 7 CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Jun 21
#2 Wang Zaiqiang 19
#3 Zhang Xuebin 17
#4 Li Xia 16
#5 Wang Qiang 14
#6 Yang Yong 13
#7 Xiang Jian 13
#8 Zheng Yao 12
#9 Li Chengwei 10
#10 Zeng Hongfu 10

Latest patents

Publication Filing date Title
CN112227718A Concrete placement construction prevents discrete device
CN112177346A Vibration drainage device for concrete pouring
CN112177089A Automatic construction equipment that digs of deep basal pit
CN112254622A Generator stator machine pit construction center positioning device and positioning detection method thereof
CN112252109A Permeable pavement capable of recovering water permeability
CN112254570A Self-cleaning heat exchanger and control method thereof
CN112065401A Large-diameter vertical cavity excavation method
CN112024946A Underground is positioner for cavern
CN111929201A Device and method for measuring on-site demoulding strength of slip form concrete
CN112122273A Dredging and detection integrated device and dredging method
CN112095767A Hidden culvert dredging device and method
CN112004298A Tunnel construction illumination intelligent system
CN112064675A Excavation construction method for rock anchor beam of underground workshop in weak broken rock area
CN112065471A Excavation construction method for top arch layer of large underground cavern
CN112012751A Precise excavation method for gentle slope inclined shaft
CN111945854A Tongue-and-groove type large-diameter precast concrete pipe joint installation equipment and construction process
CN111992608A Simple and easy quick processingequipment of detachable W type stagnant water copper sheet
CN112096965A Long-distance small-caliber slurry-balanced pipe jacking grouting resistance reduction construction method
CN111810219A Automatic dust-settling and spraying control system for tunnel and control method thereof
CN111894885A Tunnel fan intelligent control system and control method