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RAILWAY TENTH GROUP NORTHWEST ENG CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    138,262
  • Filing trend
    ⇩ 100.0%
About

RAILWAY TENTH GROUP NORTHWEST ENG CO LTD has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, materials and metallurgy and machine tools are THOMSON JAMES CRAWFORD, BERNOLD JEAN P and JINAN URBAN CONSTRUCTION GROUP.

Patent filings in countries

World map showing RAILWAY TENTH GROUP NORTHWEST ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing RAILWAY TENTH GROUP NORTHWEST ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nan Yong 3
#2 Shang Chunyang 3
#3 Wang Chao 2
#4 Kong Dechao 2
#5 Zhang Hongbo 2
#6 Ren Dengqiang 2
#7 Zhou Yihui 2
#8 Wang Mingfei 2
#9 Guo Xiaofeng 2
#10 Song Shoubing 2

Latest patents

Publication Filing date Title
CN112127897A Large-caliber directional grouting method for ultra-deep hole ground surface
CN111659983A Welding construction process for corrugated steel web steel-concrete composite beam
CN110258520A A kind of construction method of underground continuous wall under the operating condition suitable for low clearance
CN110029823A A kind of straight screw sleeve attachment device and method
CN110004919A A kind of foundation pit enclosure construction method in pipeline coverage
CN109695460A The injection method of concrete in a kind of constructing tunnel
CN109958452A A kind of tunnel exit slips the body control method that collapses
CN109783924A The Numerical Analysis methods that Groundwater iron shield tunnel construction influences
CN107829757A A kind of tunnel bracing members lock pin anchor tube positioner
CN107974906A A kind of kerbstone handling device and method
CN106948240A A kind of modifying agent flusher and control method for oilstone interface
CN106948242A A kind of reforming apparatus of building stones film