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CHINA RAILWAY 23RD BUREAU GROUP RAIL TRANSIT ENG CO LTD

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    59,054
  • Filing trend
    ⇩ 66.0%
About

CHINA RAILWAY 23RD BUREAU GROUP RAIL TRANSIT ENG CO LTD has a total of 27 patent applications. It decreased the IP activity by 66.0%. 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, machines and mechanical elements are CXT INC, DOW MAC CONCRETE LTD and CHINA RAILWAY 23RD BUREAU GROUP RAIL TRANSIT ENGINEERING CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY 23RD BUREAU GROUP RAIL TRANSIT ENG CO LTDs patent filings in countries
# Country Total Patents
#1 China 27

Patent filings per year

Chart showing CHINA RAILWAY 23RD BUREAU GROUP RAIL TRANSIT ENG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xu Chuang 24
#2 Lin Xiaobo 23
#3 Tan Bin 13
#4 Zhang Changchun 9
#5 Li Liangcai 8
#6 Liu Yanlong 7
#7 Li Xiaojing 7
#8 Zhang Lei 6
#9 Huang Jing 6
#10 Li Dayuan 6

Latest patents

Publication Filing date Title
CN111851158A Novel damping track structure
CN111878540A Fastener damping pad
CN111851157A Novel embedded track beam
CN111851169A Novel rail transit damping support
CN111733970A Fabricated building column, beam and plate structure and construction method thereof
CN111519848A Fabricated stair for public building and construction method thereof
CN111335192A Assembled subway station platform and construction method thereof
CN111364733A Subway station RPC concrete wind channel
CN111235977A Side floating type rail transit guide beam
CN111218887A Track traffic variable-span pier column box girder
CN111206462A U type magnetic levitation track traffic beam
CN110644426A Prefabricated assembled flood prevention view dykes and dams structure
CN110256009A A kind of basalt fibre+latex powder anti-crack concrete
CN109208392A A kind of No. 25 switching turnout plates of high-speed railway
CN109702857A A kind of split type concrete vibrating stand of mobile model
CN109702858A A kind of split type concrete vibrating stand of fixed
CN107225676A A kind of stretching bed seat of the bidirectional pre-tensioned prestressing force fragment-free track slab of high-speed railway
CN106476124A A kind of dual-direction pre-tensioning system prestressed concrete track slab mould
CN106426542A Rail transit large-tonnage pre-tensioning method prestressed concrete U type beam and tensioned bed thereof
CN106436578A Constructing method and constructing device for cantilever sectional beam with specially-shaped cross section through short-line matching method