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WUHAN BRIDGE SPECIAL TECH CO LTD CHINA RAILWAY MAJOR BRIDGE ENGINEERING BUREAU

Overview
  • Total Patents
    21
  • GoodIP Patent Rank
    78,103
  • Filing trend
    ⇧ 150.0%
About

WUHAN BRIDGE SPECIAL TECH CO LTD CHINA RAILWAY MAJOR BRIDGE ENGINEERING BUREAU has a total of 21 patent applications. It increased the IP activity by 150.0%. 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, measurement and chemical engineering are HARTKORN ALFRED, ZHEJIANG QINSHAN RUBBER ENG JOINT STOCK COMPANY and WON DAE YON.

Patent filings in countries

World map showing WUHAN BRIDGE SPECIAL TECH CO LTD CHINA RAILWAY MAJOR BRIDGE ENGINEERING BUREAUs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing WUHAN BRIDGE SPECIAL TECH CO LTD CHINA RAILWAY MAJOR BRIDGE ENGINEERING BUREAUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jiang Yong 14
#2 Yang Xianquan 11
#3 Chen Zhimin 8
#4 Li Shaoyuan 8
#5 Lu Liang 8
#6 Xie Xiang 7
#7 Wang Fangyu 7
#8 Lou Song 7
#9 Wang Yongpeng 7
#10 Zhang Wu 7

Latest patents

Publication Filing date Title
CN112252194A Bridge lifting device, transformation system and transformation construction method
CN112252209A Steel truss girder dragging and replacing method
CN111928830A Device and method for detecting verticality of column type structure
CN111852089A Electrified construction protection structure and protection method for non-electrified railway
CN111364377A Concrete continuous beam bridge reconstruction construction method
CN111364378A Method for dismantling double-arch bridge
CN110924319A Isolation protection shed frame and construction method
CN110644510A Construction method of pier steel cofferdam
CN110512534A The incisory sewage collection equipment of bridge flange plate
CN110528712A A kind of deformation joint unit and deformation joint structure
CN110528911A Both wired protecting canopy frame, protection canopy and installation method
CN110158463A Orthotropic Steel Bridge Deck structure and its construction method
CN110273385A A kind of across concrete box girder method for dismounting in cross-line hole
CN110306446A A kind of restorative procedure applied to steel truss girder bridge bottom lateral bracing
CN109505235A A kind of bridge pad
CN109306667A A kind of double curvature arched bridge arch fill Demolition Construction method
CN109056508A The construction method of the bridge pier of basic protection against erosion, bridge and underwater foundation protection against erosion
CN108715431A A kind of hanger platform of T beams maintenance and reinforcement
CN108396664A The interim telescopic device of bridge
CN107419671A A kind of restorative procedure of steel truss girder lower boom