Learn more

CHENGDU HYDROPOWER CONSTR ENG CO LTD SINOHYDRO BUREAU 7 CO LTD

Overview
  • Total Patents
    41
  • GoodIP Patent Rank
    64,448
  • Filing trend
    ⇩ 71.0%
About

CHENGDU HYDROPOWER CONSTR ENG CO LTD SINOHYDRO BUREAU 7 CO LTD has a total of 41 patent applications. It decreased the IP activity by 71.0%. 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, computer technology and measurement are ELAS GEOTECNICA SRL, THUR SRL and SHANGHAI FOUNDATION ENG GROUP LTD.

Patent filings in countries

World map showing CHENGDU HYDROPOWER CONSTR ENG CO LTD SINOHYDRO BUREAU 7 CO LTDs patent filings in countries
# Country Total Patents
#1 China 41

Patent filings per year

Chart showing CHENGDU HYDROPOWER CONSTR ENG CO LTD SINOHYDRO BUREAU 7 CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Xiang 11
#2 Ren Yueqin 7
#3 Yang Jun 7
#4 Nie Meiping 6
#5 Tian Bin 6
#6 Zhang Lijun 6
#7 Li Dongfu 5
#8 Wang Bo 5
#9 Li Hongfu 5
#10 Tang Yingpeng 5

Latest patents

Publication Filing date Title
CN112144534A Self-cleaning maintenance-free milk slurry preventer
CN112144565A Pile foundation cantilever type structure for underpinning underground building
CN112171172A Steel pipe welding positioning device
CN112101775A Three-dimensional comprehensive grouting hole quality intelligent analysis algorithm
CN112113882A Automatic monitor for flushing state of drill hole
CN112049648A Pipe jacking construction monitoring control method
CN111911406A High-pressure grouting pump hydraulic end with linear bearing
CN111254912A Anchoring and grouting engineering management system based on geological logging big data
CN110617071A Tunnel expansion rock section arch-changing expanding excavation construction method
CN110318560A A kind of quartering hammer anti-splashing, dust-extraction unit
CN110004913A A kind of deep settlement foundation stabilization construction method of proximity subway station
CN109025859A A kind of drilling machine oil tube bracket
CN108729461A For the constructing structure and construction method on aerial leakage stratum in deep hole impervious wall construction
CN107702604A The construction technology of the huge lonely erratic boulder of alluviation granite is directed in impervious wall construction
CN107245955A A kind of band translation sliding formwork spirally falls the cast-in-place beam forms of rack supporting device
CN107227858A Overhead bridge pier safe construction safeguard structure under high-voltage line
CN107229812A A kind of high hydraulic pressure Karst Tunnel lining cutting water pressure calculation method
CN107194136A A kind of pressure from surrounding rock computational methods suitable for many stratum shallow tunnels
CN106812173A A kind of modified earth tunnel excavates auxiliary equipment
CN106836197A The isolating and protecting device and its construction method of a kind of prevention pile foundation steel bar cage deflection