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GUANGDONG PROVINCIAL CHANGDA HIGHWAY ENGINEERING CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    240,463
About

GUANGDONG PROVINCIAL CHANGDA HIGHWAY ENGINEERING CO LTD has a total of 11 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets materials and metallurgy, environmental technology and civil engineering are SAM PYO IND CO LTD, HANAM CONSTRUCTION INC and LIU SHAOWEI.

Patent filings in countries

World map showing GUANGDONG PROVINCIAL CHANGDA HIGHWAY ENGINEERING CO LTDs patent filings in countries

Patent filings per year

Chart showing GUANGDONG PROVINCIAL CHANGDA HIGHWAY ENGINEERING CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liang Qian 4
#2 Jianfeng Zhong 4
#3 Hongjun Yang 3
#4 Xiaofang Chen 3
#5 Zhanghua Wu 3
#6 Ming Lei 2
#7 Yiming Xu 2
#8 Lixin Tan 2
#9 Gang Li 2
#10 Honghui Li 2

Latest patents

Publication Filing date Title
CN102094429A Lowering control method of double-wall steel cofferdam
CN102022700A Sliding block type support for tunnel lamps
CN101891414A Polycarboxylic acid type special additive for lightweight aggregate concrete
CN101831901A Shallow poor subsoil composite foundation stabilization treatment method
CN101774216A Method for improving apparent mass of clear concrete by utilizing wood fiber paster
CN101786291A Method for enhancing exposed concrete apparent quality by adoption of PVC films
CN101793090A Modified wood fiber membrane for improving surface quality of fair-faced concrete and application thereof
CN101769157A Construction method for tunnel working face counterpressure treatment during tunnel excavation
CN101761086A Three-dimensional net greening technique for roadbed side slope
CN101476293A Non-stand construction method for large bridge arch rib