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DONG GUOLIANG

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    170,179
About

DONG GUOLIANG has a total of 33 patent applications. Its first patent ever was published in 1996. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets civil engineering, environmental technology and chemical engineering are GAOYUAN ROAD MAINTENANCE EQUIPMENT CO LTD, LIU CHANGSHOU and F VON LANGSDORFF LICENSING LTD.

Patent filings per year

Chart showing DONG GUOLIANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dong Guoliang 28
#2 Zhang Guishu 10
#3 Dong Xuejian 9
#4 Zhang Yizhou 9
#5 Dong Xueyi 9
#6 Dong Guoliang Zhang 4
#7 Kong Aiping 4
#8 Feng Rui 4
#9 Jiang Cheng 3
#10 Wang Huanyu 3

Latest patents

Publication Filing date Title
CN111408323A Reaction regeneration device for reducing catalyst pipeline stress and lining abrasion
CN111285421A Methanol-to-olefin sewage stripping tower system
CN111121321A Low-temperature damage prevention equipment for propylene refrigeration compressor
CN111282372A Heat recovery method for washing tower process water
CN111779351A Old city reconstruction method
CN108641742A A kind of anti-coke powder carrying device of delayed coker fractionator side line
CN108636011A A kind of delayed coking emptying tower spray system
CN105291864A Automatic power generation, charging and energy saving system of new energy electric car
CN103978907A Automatic generating and charging energy-saving system for new energy electric vehicle and manufacturing method thereof
WO2008037153A1 Urban rainwater collecting and road flooding preventing ground water recharge system
CN1908303A Overhead low-speed road
CN1888312A City motor vehicle road system with no conflicting point
CN1730868A Full-closed urban block structure in which motor vehicle can run freely
WO2005106125A1 A whole stereo city road system and a traffic method adopting the system
CN1499015A Full spatial urban road system and traffic method using same
CN1222382A Medicine bolus for hepatitis B and its preparation
CN1202376A Drop for curing rhinitis and its preparing method
CN1179321A Epilepsy recovering pill and preparing process thereof
CN1161188A Health-care pillow with adjustable height
CN1168293A Bowling system