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CHINA RAILWAY CONSTRUCTION BRIDGE ENG BUREAU GROUP 2ND ENG CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    150,724
About

CHINA RAILWAY CONSTRUCTION BRIDGE ENG BUREAU GROUP 2ND ENG CO LTD has a total of 11 patent applications. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets civil engineering and measurement are VNII GORNOJ GEOMEKHANIKI MARKS, GE INSPECTION TECH GMBH and INVITROX INC.

Patent filings in countries

World map showing CHINA RAILWAY CONSTRUCTION BRIDGE ENG BUREAU GROUP 2ND ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing CHINA RAILWAY CONSTRUCTION BRIDGE ENG BUREAU GROUP 2ND ENG CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Nan Qing 3
#2 Zhang Xin 3
#3 Li Xue 3
#4 Sun Ce 2
#5 Zhang Xu 2
#6 Kang Hongxin 2
#7 Huang Weiwang 2
#8 Zhang Jun 2
#9 Zhou Shuangxi 2
#10 Guo Qingfei 2

Latest patents

Publication Filing date Title
CN111648247A Multi-stage assembled capping beam and construction process thereof
CN111608688A Method for reinforcing ground of shield underpass building
CN111074898A Trolley for pouring platform plate of subway station
CN111044569A Tunnel concrete structure defect detection method
CN110988143A Tunnel concrete segment defect detection method and device
CN109519184A A kind of construction method of advance borehole control attitude of shield machine drift
CN108425682A A kind of shield tool changing ground-connecting-wall ruggedized construction and reinforced construction method
CN106639973A Grouting structure and grouting method for ground surface ultra-deep hole double liquid slurry grouting
CN106761824A For the subway station rail chassis that road is poured against the wind
CN106758593A Tear rail device open in tunnel
CN105973141A Device and method of measuring shield tunnel segment dislocation