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XINJIANG DUNHUA PETROLEUM TECHNOLOGY CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    189,639
About

XINJIANG DUNHUA PETROLEUM TECHNOLOGY 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. Its main competitors in its focus markets environmental technology are TAKEHARA FUJIO, UK NII SPIRTOVOJ LIKERO VODOCH and NIAN SHENG.

Patent filings in countries

World map showing XINJIANG DUNHUA PETROLEUM TECHNOLOGY CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing XINJIANG DUNHUA PETROLEUM TECHNOLOGY CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Wang Junping 10
#2 Yang Jinlong 9
#3 Du Baohua 5
#4 Zhang Hua 4
#5 Li Qiang 4
#6 Wang Qun 4
#7 Xia Wei 2
#8 Xu Yubing 2
#9 Gou Guolei 2
#10 Hu Haiping 2

Latest patents

Publication Filing date Title
CN105299673A Method and system for recycling smoke of gas boiler
CN105299672A Total-recycling treatment method and system for smoke of gas-fired boiler
CN104883113A Automatic pumping unit parameter adjusting device and method
CN104295902A Environmentally-friendly recycling device for exhaust steam of gathering tank
CN104295901A Environmentally-friendly recycling device for exhaust steam of gathering tank
CN104310681A Multiple-effect evaporation processing equipment
CN103528391A Steam-water hybrid heating apparatus for oil field
CN103470951A Exhaust gas recycling device for gathering tank
CN103266880A Oil well load measurement method
CN103573219A Automatic frequency conversion device and method for pumping units
CN101709636A Microwave heating system for lowering viscosity of produced liquid in oil well