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HUNAN QINGZHIYUAN ENVIRONMENTAL PROTECTION SCIENCE & TECH CO LTD

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    145,577
About

HUNAN QINGZHIYUAN ENVIRONMENTAL PROTECTION SCIENCE & TECH CO LTD has a total of 12 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, basic materials chemistry and materials and metallurgy are SHANDONG DAYUAN ENV ENGINEERING CO LTD, KARAMAY SANDA NEW TECH CO LTD and DONGGUAN YIXUAN ENVIRONMENTAL PROTECTION TECH CO LTD.

Patent filings in countries

World map showing HUNAN QINGZHIYUAN ENVIRONMENTAL PROTECTION SCIENCE & TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing HUNAN QINGZHIYUAN ENVIRONMENTAL PROTECTION SCIENCE & TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ma Tao 8
#2 Cao Yanhua 6
#3 Ye Jun 6
#4 Liu Xia 5
#5 Li Hao 5
#6 Zou Rong 5
#7 Shi Panqing 5
#8 Xie Bin 4
#9 Zhu Feng 3
#10 Chen Zili 3

Latest patents

Publication Filing date Title
CN111320274A Integrated sewage treatment device
CN111320311A Integrated concentric horizontal pipe electrochemical precipitation adsorption sewage treatment system
CN111320258A Nitrogen and phosphorus removal composite filler and preparation method thereof
CN111320282A Reverse-flow rapid-seepage ecological sewage treatment integrated equipment
CN110216130A For handling solidification stabilizer and its curing method containing heavy metal waste slag
CN110117493A For administering the renovation agent and its preparation method and application of nickel and cobalt containing contaminated soil
CN109943345A Reparation medicament and its preparation method and application for handling heavy-metal contaminated soil
CN110003917A Soil complex repairation agent and its preparation method and application
CN109503038A Vanadium smelting residue stabilization agent and its preparation method and application
CN109231679A Ecological water environment processing system and its technique
CN109231678A Integrated sewage processing equipment and method
CN109384312A Biological filtering tower combined working for sewage treatment