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HE XUEWEN

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    143,998
About

HE XUEWEN has a total of 17 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, foods and drinks and agriculture are SHANDONG HUANENG JINHAO ENVIRONMENTAL ENGINEERING LTD BY SHARE LTD, TIANJIN YOUAI ENVIRONMENTAL PROTECTION TECH CO LTD and DUK YOUNG ENGINEERING CO LTD.

Patent filings in countries

World map showing HE XUEWENs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing HE XUEWENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 He Xuewen 17
#2 He Jinglin 1

Latest patents

Publication Filing date Title
CN111977752A Treatment process for copper-containing etching cleaning wastewater of printed circuit board
CN112047546A Treatment process for wastewater containing nitrate nitrogen through anodic oxidation
CN110898475A Collecting and adjusting tank with anti-blocking structure and anti-blocking method
CN110301610A A kind of processing method of lotus seeds
CN110268925A A kind of implantation methods of Hunan lotus seeds
CN109110503A A kind of sludge press filtration conveying device and its application method
CN104556586A Pharmaceutical wastewater treatment method
CN104528936A Aerobiotic, aerobic and anaerobic integrated biochemical pool
CN104496039A Activated carbon nutrient packing
CN104085489A Crank rocking seat type bicycle
CN104005847A Crankshaft connecting rod piston internal combustion engine with combustion chamber arranged in piston
CN103790703A Rotor-type internal combustion engine
CN103410611A Double crankshaft self-balancing internal combustion engine and driving unit thereof
CN103786307A Vacuum injection molding feeding device
CN103030235A Ammonia-nitrogen wastewater treatment method
CN102775004A Mixed electric plating wastewater treatment system and process method of mixed electric plating wastewater treatment system
CN102305128A Device for pushing engine to rotate continuously