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CHINA RAILWAY BAOJI BRIDGE GROUP CO LTD

Overview
  • Total Patents
    336
  • GoodIP Patent Rank
    5,406
  • Filing trend
    ⇩ 2.0%
About

CHINA RAILWAY BAOJI BRIDGE GROUP CO LTD has a total of 336 patent applications. It decreased the IP activity by 2.0%. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, machine tools and transport are VOSSLOH COGIFER, COGIFER and STAHLBERG ROENSCH GMBH & CO KG.

Patent filings in countries

World map showing CHINA RAILWAY BAOJI BRIDGE GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 336

Patent filings per year

Chart showing CHINA RAILWAY BAOJI BRIDGE GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Niu Junkuan 55
#2 Ji Minting 46
#3 Fei Weizhou 39
#4 Li Wenbo 35
#5 Zhang Ning 34
#6 Zhu Xinhua 33
#7 Li Junping 29
#8 Dong Yanlu 26
#9 Sun Libin 26
#10 Che Ping 23

Latest patents

Publication Filing date Title
CN112271667A Cable bridge for turnout
CN112127276A Fastener of steel rail telescopic regulator
CN112247785A U type rib edge equipment of polishing
CN112171160A Welding fixture device for hoisting section of steel plate combined beam bridge and clamping method of welding fixture device
CN112191794A Hot forging forming method for steel rail heel end lengthened switch rail
CN112029976A Double-station rotating material table
CN111979848A Reinforced alloy steel point rail combined acute frog
CN112241562A Design method for main welding line of suspension type air rail track beam
CN112050750A Formula three-dimensional laser scanning mark target is inhaled to magnetism
CN111979913A Cable-stayed bridge cable-beam anchoring structure and control method of anchor pipe angle
CN111907534A Single track sightseeing vehicle suspension device
CN112091007A Method for machining large-radius arc thin plate curved surface for tunnel
CN112014090A Electric push rod test device and test method
CN111996904A Manufacturing method of parallelogram side longitudinal beam and access road combined steel member
CN111851173A General frock of railway switch equipment
CN111872452A Bolt hole chamfering tool
CN111962340A Steel track beam structure and method for increasing friction resistance of elastic wheel of track traffic
CN112238880A Medium-low speed magnetic levitation turnout switch control circuit
CN111809454A Alloy steel point-rail combined obtuse frog
CN111693863A Single-track switch position switch rapid detection device and detection method thereof