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URBAN MASS TRANSIT ENG CO LTD CHINA RAILWAY 11TH BUREAU GROUP

Overview
  • Total Patents
    36
  • GoodIP Patent Rank
    43,226
  • Filing trend
    ⇧ 20.0%
About

URBAN MASS TRANSIT ENG CO LTD CHINA RAILWAY 11TH BUREAU GROUP has a total of 36 patent applications. It increased the IP activity by 20.0%. 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, materials and metallurgy and packaging and shipping are KANG NUNG CONSTRUCTION CO LTD, CHINA RAILWAY 19TH BUREAU GROUP RAIL TRANSIT ENG CO LTD and RANKEN RAILWAY CONSTRUCTION GROUP CO LTD.

Patent filings in countries

World map showing URBAN MASS TRANSIT ENG CO LTD CHINA RAILWAY 11TH BUREAU GROUPs patent filings in countries
# Country Total Patents
#1 China 36

Patent filings per year

Chart showing URBAN MASS TRANSIT ENG CO LTD CHINA RAILWAY 11TH BUREAU GROUPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Li Yingjiao 12
#2 Long Huadong 9
#3 Wan Weiyan 9
#4 Peng Gang 6
#5 Li Feipeng 6
#6 Liu Zhibin 6
#7 Zhang Kunfeng 6
#8 Yang Mei 5
#9 Zhang Zhibing 5
#10 Zhang Qiao 5

Latest patents

Publication Filing date Title
CN111706340A Shield tail brush convenient to replace and method for replacing shield tail brush under long-distance non-reinforced working condition
CN111577298A Prevent gushing water and gush safe shield structure machine screw conveyer of sand
CN111365032A Anti-seepage treatment method for ring beam of tunnel door of subway station
CN111305322A Construction structure and construction method for mounting large-diameter steel pipe by adopting shield tunnel
CN111119922A Multifunctional operation vehicle for self-propelled shield tunnel construction
CN111075474A Rectangular pipe jacking construction method for subway station access and exit channel
CN110735432A Method for clearing pile foundation and controlling parameters in shield tunneling machine over-invasion limit tunnel range
CN110685701A Translation and turning method suitable for shield machine in space-limited operated station
CN110645004A Method for turning over shield tunneling machine trolley in negative two-layer of operated station
CN110552709A self-propelled integral station-crossing method and device suitable for large-diameter shield machine
CN110499779A A kind of air channel structure construction method sharing side wall with subway station
CN110359921A Wear the construction method of building in a kind of shield short distance side
CN110130936A It dashes forward in a kind of shield tunneling process and meets the construction method of untreated solution cavity or crack
CN110158609A A kind of mechanization demolition reduction method of reinforced concrete brace in foundation pit
CN110067563A Close on the station entrance-exit main structure construction method of urban architecture and road
CN110005439A A kind of construction method in the nearly excessively leading tunnel of spacing of shield
CN109881694A A kind of constructing structure blocked for foundation pit substrate Sand and method
CN109881691A In a kind of Deep Excavation in foundation pit substrate exploratory hole piping processing method
CN109736815A Grouting serous fluid and grouting process for subway tunnel tunneling water sealing consolidation
CN109611103A A method of for boulder group consolidation process outstanding on shield section