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CHINA RAILWAY 23 BUREAU GROUP NO 3 ENG CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    122,717
About

CHINA RAILWAY 23 BUREAU GROUP NO 3 ENG CO LTD has a total of 14 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and computer technology are CHINA RAILWAY 24TH BUREAU GROUP NANCHANG RAILWAY ENG CO LTD, CHINA RAILWAY 19TH BEREAU GROUP CO LTD and THE THIRD ENG CO LTD OF CHINA RAILWAY SEVENTH GROUP.

Patent filings in countries

World map showing CHINA RAILWAY 23 BUREAU GROUP NO 3 ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing CHINA RAILWAY 23 BUREAU GROUP NO 3 ENG CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Liu Yongmei 14
#2 Zhou Qi 14
#3 Yin Zhiyong 14
#4 Chen Wenping 12
#5 Xiong Zhigang 12
#6 Ma Min 12
#7 Yan Panfei 3
#8 Lin Enchuan 3
#9 Zhang Xu 3
#10 Zhang Dapeng 3

Latest patents

Publication Filing date Title
CN112012112A Construction method for asynchronous cradle of corrugated steel web cast-in-place cantilever box girder
CN111636310A Construction method for weight-bearing concrete of asymmetric cable-stayed bridge
CN111485463A Roadbed splicing construction method in expressway reconstruction and expansion
CN111455989A Construction method of deep sludge bidirectional stirring pile
CN110778308A Device and method for testing gas flow while drilling
CN110593868A Equipment and method for determining position of fractured zone
CN110396937A The asynchronous construction of hollow thin-walled high pier binder pier beam
CN110344330A A method of T-type beam is set up using small-sized machine
CN110284509A Anchored frame beam slope protection construction technique in road engineering
CN110318770A A kind of hazy start tunneling method of vcehicular tunnel
CN110185493A Major long tunnel counter-slope drainage and construction method under a kind of complex geological condition
CN110173269A Existent railway implementation control method is worn under a kind of shallow tunnel
CN109083182A Collapsible loess super long large diameter pile foundation churning driven dry method construction method
CN109083183A Collapsible loess super long large diameter pile foundation churning driven expires hole mud wet process pore-forming technique