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HYDROCHINA GUIYANG ENG CORP

Overview
  • Total Patents
    64
  • GoodIP Patent Rank
    221,547
About

HYDROCHINA GUIYANG ENG CORP has a total of 64 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, measurement and materials and metallurgy are K II CORP KK, TBIL OTDEL V PROEKTNO IZYSKATE and KAZAKHSK NII ENERGETIKI.

Patent filings in countries

World map showing HYDROCHINA GUIYANG ENG CORPs patent filings in countries
# Country Total Patents
#1 China 64

Patent filings per year

Chart showing HYDROCHINA GUIYANG ENG CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhan Zhenggang 6
#2 Li Yuebin 5
#3 Yang Qinghua 5
#4 Wang Bo 5
#5 Chen Yinqi 5
#6 Wang Yong 5
#7 Xu Yi 5
#8 Zhou Xianlian 4
#9 Lu Kunhua 4
#10 Mu Hongyou 4

Latest patents

Publication Filing date Title
CN103852371A Visual shearing and sample loading box applicable to direct shear test of coarse-grained soil
CN103851275A Device for preventing freeze-thaw damage of concrete pipeline
CN103708787A Cement stabilized macadam for base course of highway pavement
CN103485312A Construction technology for converging compacted concrete dam and riverbed foundation surface
CN103452090A On-way locking device of ship reception chamber of ship lifter
CN103388489A Strong karst tunnel permanent draining structure and construction method thereof
CN103290820A Frame structure of long-span trash rack
CN103323678A Method for testing rock-soil body relative dielectric constant on spot
CN103290804A Method and structure for providing downstream ecological flow after gate locking of stream guidance water release structure
CN104155365A Detection method and device for tunnel lining concrete void
CN103276711A Water filling and draining device for vertical ship lifter
CN103276710A Reversible water filling and discharging device for vertical ship lifter
CN104120701A Construction method and device for hoisting of heavy and large part of vertical ship lift
CN104098287A Application method of hydroxypropyl methyl cellulose as thickening agent of cement slurry
CN104074176A Construction method and structure of dam toe hydropower station workshop retaining wall
CN104074177A Method and structure for combining workshop side wall and stilling pool guide wall into one
CN104074174A Method for relieving low-temperature water environment influence of reservoir project and dam structure
CN104060619A Construction method and structure of hydraulic core-wall rockfill dam without cofferdams
CN104060612A Temperature control method and device for severe cold winter construction of concrete dam
CN104047273A Energy dissipation anti-flushing wall for hydropower station and construction method thereof