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CHINA RAILWAY WUJU GROUP FIRST ENG CO LTD

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    33,323
  • Filing trend
    ⇧ 100.0%
About

CHINA RAILWAY WUJU GROUP FIRST ENG CO LTD has a total of 45 patent applications. It increased the IP activity by 100.0%. 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, mechanical elements and measurement are JULONG GROUP WUHU XINGLONG HYDRAULIC CO LTD, MINE SUPPORT PRODUCTS PTY LTD and MARGOT VON LINSINGEN.

Patent filings in countries

World map showing CHINA RAILWAY WUJU GROUP FIRST ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 45

Patent filings per year

Chart showing CHINA RAILWAY WUJU GROUP FIRST ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tang Yu 42
#2 Peng Xuejun 40
#3 Yang Wenguo 34
#4 Tong Chang 24
#5 Zhong Dong 22
#6 Li Yiping 21
#7 Cao Zhenxing 19
#8 Luo Zhaohua 16
#9 Wu Biao 15
#10 Hu Congwen 14

Latest patents

Publication Filing date Title
CN112091471A Processing method of steel beam component structure and steel beam component structure
CN111911161A Shaft construction method of underground excavation channel
CN111963204A Needle beam type trolley
CN111825184A Tunnel drainage treatment pond system
CN111878120A Tunnel lining method
CN111928121A Working method of sewage treatment fluid control equipment
CN111825182A Tunnel drainage method
CN111963205A Trolley three-section type pouring working method
CN111878085A Inverted siphon engineering construction method
CN111825183A Sewage treatment fluid control equipment
CN111851579A Frame structure and construction method for plugging reserved holes of top plate by using frame structure
CN111335923A Construction method for large deformation of soft rock of tunnel with unfavorable geology
CN111305877A Construction method for strong rockburst section tunnel in high-altitude area
CN111322090A Support method for controlling deformation of surrounding rock of high-geostress hard rock tunnel
CN110985008A Tunnel construction method for ice water accumulation body
CN110952990A Construction method for unfavorable geology in high-altitude area tunnel engineering
CN111058459A Recyclable small advanced catheter and use method thereof
CN110952484A Tunnel lining detects cleaning device
CN111077520A Tunnel lining thing networking detection device
CN110936881A Tunnel lining radar detection device