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CHINA RAILWAY 16TH BUREAU GROUP CO LTD

Overview
  • Total Patents
    109
  • GoodIP Patent Rank
    15,371
  • Filing trend
    ⇧ 150.0%
About

CHINA RAILWAY 16TH BUREAU GROUP CO LTD has a total of 109 patent applications. It increased the IP activity by 150.0%. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and machines are CHINA TIESIJU CIVIL ENG GROUP CO LTD, CHINA RAILWAY 18TH BUREAU GROUP CO LTD and CHINA RAILWAY NO 2 GROUP.

Patent filings in countries

World map showing CHINA RAILWAY 16TH BUREAU GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 109

Patent filings per year

Chart showing CHINA RAILWAY 16TH BUREAU GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ma Dong 58
#2 Wang Wuxian 39
#3 Yan Su 37
#4 Li Yonggang 33
#5 Feng Yitao 29
#6 Sun Yi 21
#7 Sun Xing 14
#8 Ma Li 13
#9 Wu Qinghong 13
#10 Huang Lixin 13

Latest patents

Publication Filing date Title
CN112145201A Protection trolley and non-contact tunnel construction rock burst early warning protection system building method
CN112096441A Tunnel shield construction temperature control device and use method thereof
CN112031430A Post-cast constructional column concrete lifting device
CN112031455A High-efficient plugging device of concrete outer wall through-wall bolt hole
CN111852515A Tunnel stratum pre-reinforcement comprehensive grouting method
CN111828018A Construction method for preventing tunnel gushing water and bypassing pit
CN111810199A Tunnel water inrush disaster prevention treatment method
CN111810236A Full-wrapping type comprehensive water-proof and drainage system for water-rich tunnel
CN111980674A Tunnel advanced curtain grouting process and comprehensive inspection and evaluation method
CN112227944A Dewatering well construction process applied to tunnel construction
CN111898192A Tunnel cross section deformation data determination method, device and equipment and storage medium
CN111898283A Tunnel deformation quantity determining method and device, computer equipment and storage medium
CN111985028A Method for calculating cross section deformation of adjacent tunnel segment caused by engineering precipitation
CN111910944A Bolt hole plugging method
CN111680834A Method for calculating precipitation stability time of diving well
CN111520192A Non-contact tunnel engineering construction rock burst real-time forecasting optimization method
CN111520193A Non-contact tunnel engineering construction rock burst real-time forecasting method
CN111485938A Protective trolley support
CN111441808A Tunnel safety protection platform truck multipurpose rock face spraying system
CN111441809A Protective trolley