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HUNAN ROAD & BRIDGE CONSTRUCTION GROUP CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    156,946
About

HUNAN ROAD & BRIDGE CONSTRUCTION GROUP CO LTD has a total of 12 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, packaging and shipping and machines are WESTERSCHELDE COMB, CCCC SHEC FOURTH ENG CO LTD and HONG SEOK HEE.

Patent filings in countries

World map showing HUNAN ROAD & BRIDGE CONSTRUCTION GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing HUNAN ROAD & BRIDGE CONSTRUCTION GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Yulan 6
#2 Yang Heng 3
#3 Wan Hua 2
#4 Yang Chunhui 2
#5 Tang Dingfeng 2
#6 Su Qiaojiang 2
#7 Yang Xiao 2
#8 Liu Dixiang 2
#9 Peng Guanyou 2
#10 Yang Dawei 2

Latest patents

Publication Filing date Title
CN111851504A Method for installing water stopping steel hanging box of tie beam between piles in water
CN111733702A Split-combination type bridge girder erection machine and use method thereof
CN110844801A Split type cable carrying crane for erecting main beam of suspension bridge
CN109706842A A kind of urban viaduct Single column pier capping beam construction device
CN109706843A Moving device is swung in a kind of lifting of suspension bridge steel truss girder
CN109098086A A kind of anticorrosion structure and method of suspension cable anchor head steel strand wires
CN109109155A A kind of installation method and structure of the combined steel moald-cavity pedestal of assembled
CN108316148A A kind of construction method and support construction of suspension bridge shaped steel anchor system
CN106284362A A kind of construction method of single catheter perfusion Large Underwater bottom concrete
CN104828209A Ship anchor mooring rope guiding device
CN104831634A Construction method for box type bridge vertical prestressed steel strand tension
CN101363222A Pile extension under water