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YUNNAN DAWEI CHEMICAL EQUIPMENT MFG CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    179,818
About

YUNNAN DAWEI CHEMICAL EQUIPMENT MFG CO LTD has a total of 11 patent applications. Its first patent ever was published in 2007. It filed its patents most often in China. Its main competitors in its focus markets machine tools, basic materials chemistry and materials and metallurgy are Wuhan kaiqi special welding equipment co ltd, ANHUI TONGRUN AUTO ACCESSORY CO LTD and SHAPIRO ALEKSANDR E.

Patent filings in countries

World map showing YUNNAN DAWEI CHEMICAL EQUIPMENT MFG CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing YUNNAN DAWEI CHEMICAL EQUIPMENT MFG CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhao Fugang 5
#2 Li Anrong 3
#3 Meisheng Xie 3
#4 Yang Yong 3
#5 Yang Donglian 3
#6 Jian Wang 2
#7 Yong Shigang 2
#8 Chen Xing 2
#9 Zhang Wenjuan 2
#10 Gu Shaojue 2

Latest patents

Publication Filing date Title
CN109396621A A method of utilizing plasma welding soldering low alloy steel sheet butt weld
CN109454370A A kind of high-precision assembly welding method of large-diameter hollow combination tube sheet
CN109355105A A kind of segmented deslagging tank and its processing technology for high temperature and high pressure condition
CN109555864A A kind of coal gasifier slag lock and its manufacture craft
CN109396745A A kind of high-precision fitting technique of pressure vessel shrink-fitted shell
CN104259767A Machining method of group of holes in large-sized metal tube plate
CN104148773A Method for controlling tailor welding deformation of large metal pipe plate
CN103769744A Accurate assembly method for oblique cutting connection pipes on large-diameter metal cylinder
CN101456098A Cylinder circumferential-seam plasma welding method
CN101474747A Multifunctional bundling machine for multi-layer bundling of metal pressure container
CN101066570A Numerically controlled process of cutting spatial curved surface for inserting inclined pipe to barrel