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CHINA RAILWAY MAJOR BRIDGE NANJING BRIDGE AND RUNNEL INSPECT & RETROFIT CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    70,240
About

CHINA RAILWAY MAJOR BRIDGE NANJING BRIDGE AND RUNNEL INSPECT & RETROFIT CO LTD has a total of 23 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and computer technology are CHINA RAILWAY MAJOR BRIDGE RECONNAISSANCE & DESIGN INST CO LTD, MIETTINEN ENSIO JOHANNES and 2ND ENGINEERING CO LTD MBEC.

Patent filings in countries

World map showing CHINA RAILWAY MAJOR BRIDGE NANJING BRIDGE AND RUNNEL INSPECT & RETROFIT CO LTDs patent filings in countries
# Country Total Patents
#1 China 23

Patent filings per year

Chart showing CHINA RAILWAY MAJOR BRIDGE NANJING BRIDGE AND RUNNEL INSPECT & RETROFIT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Hua 17
#2 Wu Laiyi 10
#3 Cui Hai 9
#4 Sun Yingjie 8
#5 Fu Yixiao 8
#6 Liu Xingwang 6
#7 Zhang Junlei 6
#8 Yang Wenshuang 6
#9 Chen Bin 5
#10 Zhao Biao 4

Latest patents

Publication Filing date Title
CN111395207A Rapid dismantling device for bridge flexible cable structure and implementation method
CN111395206A On-site deviation rectifying method for spherical support seat emptying
CN111337213A Bridge modal frequency identification method and system based on synthetic power spectrum
CN111310307A Correlation-based health monitoring data reference value setting method
CN111274544A Early warning threshold setting method based on relevance trend of moving interval
CN111485488A Plate type sliding layer support and construction method thereof
CN110952463A Reverse jacking reinforcement method and jacking structure of concrete box girder bridge
CN110904864A Steel-concrete combined system for improving bearing capacity of concrete box girder bridge
CN110470422A A kind of fundamental frequency optimization method based on inhaul cable vibration spectrum analysis
CN110598265A Bridge health data abnormity correction method and system based on wavelet analysis
CN110306609A Bridge single pile anchored pile-testing method test pile system based on shoulder pole principle
CN110130233A A kind of remodeling method suitable for double curvature arched bridge spandrel construction
CN110130232A A kind of method of bridge pier overall stiffness enhancing and pile foundation reinforcement
CN109975811A A kind of the bridge pier with highrise pile cap local scour on-line monitoring platform and method of suitable unimodal current
CN110130216A A kind of overlapping connection structure of steel truss girder bridge and concrete carriageway plate
CN109826249A A kind of measuring device and measuring method of pile foundation side friction
CN109797649A A kind of tool car Hoisting Program not influencing bridge deck traffic
CN109992815A A kind of support accumulative displacement calculation method based on relevance rain-flow counting
CN109376478A Bridge health monitoring fault data restorative procedure and system
CN109610532A The reinforced construction method of bridge foundation protection against erosion