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NO 1 ENG COMPANY OF CHINA RAILWAY NO 8 ENG GROUP CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    109,541
  • Filing trend
    ⇩ 100.0%
About

NO 1 ENG COMPANY OF CHINA RAILWAY NO 8 ENG GROUP CO LTD has a total of 15 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2014. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, computer technology and control are CHINA RAILWAY CONSTRUCTION BRIDGE ENG BUREAU GROUP OF THE FIFTH ENG CO LTD, HONGRUN CONSTR GROUP CO LTD and CHINA RAIWAY ERYUAN GUIYANG SURVEY AND DESIGN INST CO LTD.

Patent filings in countries

World map showing NO 1 ENG COMPANY OF CHINA RAILWAY NO 8 ENG GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing NO 1 ENG COMPANY OF CHINA RAILWAY NO 8 ENG GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huang Hongsheng 7
#2 Zhang Heng 6
#3 Li Chao 6
#4 Fu Weiyong 4
#5 Gu Liudong 4
#6 Zhou Xin 3
#7 Zhou Liya 3
#8 Peng Linli 3
#9 Cai Xi 2
#10 Dai Junnan 2

Latest patents

Publication Filing date Title
CN112267889A Construction method for penetrating through filling material of molten cavity
CN112258636A Method for building three-dimensional model by two-dimension
CN112267888A Construction method of large-bearing pipe curtain
CN112267903A Accurate positioning and construction method for tunnel foot locking anchor rod
CN112267893A Large-section tunnel construction method
CN112281664A Slip form construction method for cast-in-situ of large-span simply supported beam
CN112253213A Ventilation and dust reduction device for tunnel construction and construction method
CN112227227A Construction method of large-span beam column type support
CN112281921A Construction method for converting temporary support piles into anti-floating piles
CN112281922A Conversion method for cantilever cover plate permanent-faced supporting pile system
CN110144898A The real-time security alarm system of Foundation Pit Construction and method
CN107524096A A kind of continuous girders by suspension grouting 0# blocks cast-in-place support and erection method
CN106836001A Integrate the bridge construction ladder access structure of concrete conveying pipe
CN106640096A Construction method for penetrating through tunnel of backfilling soil section and transition section
CN105571884A Integrated water tank load testing apparatus and using method thereof