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CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP CO LTD

Overview
  • Total Patents
    334
  • GoodIP Patent Rank
    4,626
  • Filing trend
    ⇧ 69.0%
About

CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP CO LTD has a total of 334 patent applications. It increased the IP activity by 69.0%. Its first patent ever was published in 2010. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, measurement and packaging and shipping are JIANGSU YEARNING CONSTRUCTION CO LTD, SCERER and CHINA RAILWAY MAJOR BRIDGE RECONNAISSANCE & DESIGN INST CO LTD.

Patent filings in countries

World map showing CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP CO LTDs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Tu Manming 113
#2 Mao Weiqi 86
#3 Pan Dongfa 68
#4 Ma Tao 47
#5 Wang Donghui 40
#6 Qian Yushan 36
#7 Gong Jincai 35
#8 Li Juntang 34
#9 Li Xin 34
#10 Zhang Aihua 33

Latest patents

Publication Filing date Title
CN112161615A Bridge tower pier body template non-contact measurement device and measurement method
CN112282782A Method for rapidly discharging slag from anchor hole of large-inclination-angle tunnel of suspension bridge
CN112227179A Displacement amplification device for stay cable external damper and cable-stayed bridge
CN112227180A Stay cable combined vibration reduction device and method
CN112227202A Stay cable damper with vibration deicing function
CN112198172A Bridge inhaul cable steel wire damage detection method and detection device
CN112225084A Large-tonnage cable crane bearing system and construction method
CN112228048A Wireless communication method for drilling while-drilling instrument for bridge pile foundation
CN112228038A Intelligent drilling and online detection system for large-diameter drilled pile
CN112095463A Bridge and highway provided with combined edge guardrails and construction method thereof
CN112161767A Excitation vibration suppression device and method for bridge and vibration suppression method
CN112227196A Self-traction type main cable maintenance device and maintenance construction method
CN112180861A Integrated bridge monitoring system
CN112227208A Monitoring and forecasting method for construction period and operation period of suspension bridge cable clamp screw
CN112095489A Main tower integral vertical rotation construction monitoring system and method
CN112229440A Precast beam field self-induction monitoring system and method
CN112132423A Production management method and system for rail-movable beam-making pedestal
CN112101760A Beam yard production state visualization method and system based on GIS
CN112227205A Construction method of high-strength bolt of bridge
CN112064519A Long platform guy cable hanging basket and main beam segment construction method