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DONGGUAN YIXUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    114,450
  • Filing trend
    ⇩ 100.0%
About

DONGGUAN YIXUAN ENVIRONMENTAL PROTECTION TECH CO LTD has a total of 15 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, materials and metallurgy and surface technology and coating are H2O TECHNOLOGIES LTD, SHAOXING QICAI CHEMICAL TECHNOLOGY CO LTD and SHANGHAI BODAN ENVIRONMENTAL ENGINEERING TECHNOLOGY CO LTD.

Patent filings in countries

World map showing DONGGUAN YIXUAN ENVIRONMENTAL PROTECTION TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

Chart showing DONGGUAN YIXUAN ENVIRONMENTAL PROTECTION TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Maolin 13
#2 Wang Chaoyu 11
#3 Wang Changya 10
#4 Wang Changhai 8
#5 Sun Ruizhi 5
#6 Shen Weiyu 5
#7 Liu Dong 2
#8 Xu Yuqi 1
#9 Zhang Yu 1

Latest patents

Publication Filing date Title
CN111423045A Electroplating coarsening wastewater recovery chromic anhydride circulation treatment process
CN111303902A Saline-alkali soil petroleum polluted soil conditioner and complexing agent and comprehensive treatment method
CN111439875A Rhodium and ruthenium resource recovery and water recycling process for electroplating rhodium and ruthenium cleaning wastewater
CN111559765A Comprehensive resource utilization process for liquid-throwing waste liquid
CN110510848A Biochemical sludge decrement treatment system
CN110510808A Metal cutting waste liquid environment protection emission processing system
CN110510806A Electroplating wastewater zero treatment process
CN110510685A Sulfur acid nickel electroplating wastewater recovery and processing system
CN110407408A Oil-polluted water treatment process
CN110422948A Copper sulphate Sewage treatment metallic copper treatment process is electroplated
CN110357252A Bleaching and dyeing wastewater discoloration method and its activated sludge bed
CN110396713A Gold coated article cleaning method and its rinse bath
CN109928554A The system and technique of a kind of alkaline zinc plating waste water zinc recovering, alkali collection and waste water closed cycle
CN109879463A It is a kind of using nano-sized carbon+ceramic membrane reuse pre-treatment waste water system and technique
CN108516630A A kind of online reuse method of cyanide electroplating cleaning waste water and equipment