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GEOTECHNICAL ENG CO LTD OF CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP CO LTD

Overview
  • Total Patents
    35
  • GoodIP Patent Rank
    44,545
  • Filing trend
    0.0%
About

GEOTECHNICAL ENG CO LTD OF CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP CO LTD has a total of 35 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, machines and measurement are HEITKAMP GMBH BAU, CHINA RAILWAY 21ST BUREAU GROUP CO LTD and BEIJING URBAN CONSTRUCTION DESIGN & DEV GROUP CO LTD.

Patent filings in countries

World map showing GEOTECHNICAL ENG CO LTD OF CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 35

Patent filings per year

Chart showing GEOTECHNICAL ENG CO LTD OF CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Zhan 33
#2 Chen Shiqi 32
#3 Li Dan 25
#4 Peng Zhipeng 24
#5 Meng Changjiang 24
#6 Cui Guoqing 19
#7 Chen Kan 18
#8 He Xinhui 16
#9 Liu Jie 15
#10 Gao Songsong 11

Latest patents

Publication Filing date Title
CN111648796A Tunnel arch, arch structure and construction method
CN111764909A Detection method for collapse state of loess stratum tunnel and treatment method after collapse
CN111749053A Method for treating arching of ballastless track roadbed
CN111676743A Chain saw
CN111648777A Horizontal deviation rectifying method for shield tunnel
CN111648775A Method and tool for renovating transverse deformation of shield tunnel
CN111561331A Tunnel reinforcing structure and construction method thereof
CN111155360A Deviation rectifying method for ballastless track
CN110983996A Beam body jacking and deviation rectifying method for high-speed railway bridge
CN110983995A Beam body jacking method for high-speed railway bridge
CN110984257A Deviation rectifying method for cross-city-district rail transit
CN110983994A Slotting method for bridge pier support base pad stone and construction method for bridge deviation correction
CN110748231A Enclosure and installation method thereof
CN110685200A Positioning device, ditch forming assembly and ditch forming construction method
CN110645010A Pipe jacking equipment and pipe jacking construction method
CN110670419A Method for renovating waterproof and drainage structure of ballastless track roadbed
CN110685192A Drainage pipeline assembly, using method and roadbed waterproof and drainage structure of ballastless track
CN110670418A Ballastless track roadbed surface layer slurry turning and finishing method
CN110670496A Beam moving device
CN110565452A Railway roadbed body steel flower tube grouting reinforcement method and railway roadbed