Learn more

FOURTH CONSTRUCTION CO LTD OF CHINA NAT CHEMICAL ENGINEERING

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    209,327
About

FOURTH CONSTRUCTION CO LTD OF CHINA NAT CHEMICAL ENGINEERING has a total of 11 patent applications. Its first patent ever was published in 2010. It filed its patents most often in China. Its main competitors in its focus markets machine tools and measurement are DSO METALOLEENE, HEFEI GUOSHENG ELECTRIC COMMUNICATION LTD and SCANSONIC MI GMBH.

Patent filings in countries

World map showing FOURTH CONSTRUCTION CO LTD OF CHINA NAT CHEMICAL ENGINEERINGs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing FOURTH CONSTRUCTION CO LTD OF CHINA NAT CHEMICAL ENGINEERINGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Sun Yun 7
#2 Zhang Jun 2
#3 Zhang Qi 2
#4 Zeng Zhiyong 1
#5 Xu Honglou 1
#6 Zhou Li 1
#7 Dong Jinwu 1
#8 Gu Ruizhuo 1
#9 Liu Jian 1
#10 Ruan Zhigang 1

Latest patents

Publication Filing date Title
CN105113801A Lifting method of large-span steel structure
CN105126488A Method for replacing filter cores in fly ash filter
CN105014187A Single-side welding and double-side forming method for ceramic gasket of rubber lined tank
CN103752243A Carbonization tower on-site assembling construction method
CN103628936A Bulk installation method of small steam turbine driving synchronous generator
CN103692095A Installation and construction method for large-scale single-disc type outer floating top storage tank
CN103642529A Coal gasifier local baking method
CN102626850A Installation process for metal oil tank in cave storage
CN102619236A Compound type ice chest foundation construction method
CN103357998A Welding method for bimetal composite steel pipes
CN101870031A Construction method for welding furnace tube and dissimilar steel