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CHINA RAILWAY NO 10 ENG GROUP CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    95,637
  • Filing trend
    0.0%
About

CHINA RAILWAY NO 10 ENG GROUP CO LTD has a total of 18 patent applications. It increased the IP activity by 0.0%. 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, measurement and electrical machinery and energy are CHINA RAILWAY 12TH BUREAU GR, CHINA RAILWAY 20 BUREAU GROUP CORP and CHINA RAILWAY 18TH BUREAU GROUP CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY NO 10 ENG GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing CHINA RAILWAY NO 10 ENG GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Chunzhang 8
#2 Yang Baoquan 6
#3 Zeng Laishi 6
#4 Hua Jinghua 6
#5 Zhao Yong 5
#6 Shen Jiajun 5
#7 Zhou Yang 5
#8 Zhang Haixia 5
#9 Quan Fei 5
#10 Chen Lei 5

Latest patents

Publication Filing date Title
CN112228079A Construction method for newly-built tunnel to span existing line at small angle
CN112049020A Method for vertically installing large steel pipe upright post
CN112194420A Water-dilution-resistant synchronous grouting liquid for water-rich geological shield construction and preparation method thereof
CN112228076A Fast excavation construction method for hard rock large-span tunnel
CN112049218A Municipal concrete drainage pipeline laying construction method
CN111719610A Larsen steel sheet pile in-groove soil cleaning machine and using method
CN111520173A Large-section tunnel secondary lining steel bar vault fixing device and construction method thereof
CN111519544A Bridge flange plate construction formwork support system
CN111519896A Self-propelled truss supporting template
CN110794478A Comprehensive detection method for harmful gas in non-coal measure stratum tunnel
CN110864592A Underground engineering poison-reducing blasting construction method for generating toxic and harmful gases
CN110863858A Outburst prevention control program and outburst prevention method for high-pressure harmful gas of non-coal-series stratum tunnel
CN110792478A Omnibearing monitoring method for various mixed harmful gases in non-coal measure stratum tunnel
CN110716015A Wireless relay transmission system for tunnel environment monitoring data
CN109653222A Friction pile means of defence, anti-slide pile construction method and friction pile safeguard structure
CN109578027A Upper-soft lower-hard ground tunnel excavation support structure and tunnel excavation construction method
CN109538236A A kind of tunnel structure and tunnel construction method
CN107956484A The ruggedized construction and construction method of existing shield tunnel Deformation control