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CHINA RAILWAY BEIJING ENG GROUP CO LTD

Overview
  • Total Patents
    25
  • GoodIP Patent Rank
    64,121
  • Filing trend
    ⇧ 100.0%
About

CHINA RAILWAY BEIJING ENG GROUP CO LTD has a total of 25 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, it methods for management and computer technology are CHENGDU MUNICIPAL ENG GROUP CO LTD, SHANGHAI MUNICIPAL ENG DESIGN INST GROUP CO LTD and DREAM ENGINEERING CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY BEIJING ENG GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 25

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Liu Changqing 5
#2 Zhao Mincong 4
#3 Li Bin 4
#4 Geng Qingxiang 4
#5 Lu Gaofeng 4
#6 Huang Hongliang 4
#7 Yang Zhuo 3
#8 Wang Mingyou 3
#9 Wang Kun 3
#10 Hu Zhuohang 3

Latest patents

Publication Filing date Title
CN111980398A Connecting structure for joint of wall aluminum formwork and wood formwork and construction method
CN112028397A Polluted city internal lake water quality purification and water ecological restoration system
CN111424564A Bridge erecting method and bridge erecting machine for realizing bridge erecting method
CN111472816A Construction method of corrugated plate supporting structure and subway transverse channel
CN111550122A Road safety protection device with warning function
CN111254841A Three-dimensional positioning trolley for prefabricating section assembled simply supported box girder by long and short line combination method
CN111321848A Low-temperature sleeve grouting construction process
CN111215402A Elastic prestressed duct hole dredging device and using method
CN110984252A System for intelligently monitoring stability of deep foundation pit
CN111088756A Segmental assembling bridge girder erection machine
CN111027940A Assembly type building structure design system based on BIM technology
CN111022118A Construction method for dewatering in pile
CN110904846A Continuous beam stub matching prefabricated cantilever splicing linear control method
CN111350131A Construction method of three-span bridge tail beam feeding bridge girder erection machine
CN110777669A High-speed rail continuous beam short line matching prefabricated cantilever assembly line shape control method
CN110593525A Rail top air duct construction method
CN111985736A Quality supervision system for expressway bridge construction
CN110158430A A kind of automatic plucking laminating machine in bridge concrete face
CN109944609A It is a kind of irregularly to widen crowned section constructing tunnel device and construction method
CN109750574A A kind of base material bilayer company paving construction technology