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QINGDAO HUI CHENG ENV TECH CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    118,480
  • Filing trend
    ⇩ 100.0%
About

QINGDAO HUI CHENG ENV TECH CO LTD has a total of 14 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, materials and metallurgy and basic materials chemistry are JAPAN PETROLEUM ENERGY CT, BOUCHY CHRISTOPHE and JAPAN OIL GAS METALS NAT CORP.

Patent filings in countries

World map showing QINGDAO HUI CHENG ENV TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing QINGDAO HUI CHENG ENV TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gao Mingjun 9
#2 Liu Huijuan 7
#3 Zhang Xingong 6
#4 Ye Hong 5
#5 Li Feng 5
#6 Zhang Xiaojia 5
#7 Du Wenting 4
#8 Qi Xiao 3
#9 Lv Lingling 2
#10 Li Zheng 2

Latest patents

Publication Filing date Title
CN106925336A A kind of Resid Fcc Catalyst and preparation method thereof
CN106395919A Method used for preparing ammonium nickel sulfate from catalytic cracking waste catalyst
CN106378203A Preparation method for metal capturing agent
CN106378205A Preparation method for metal capturing agent
CN106378204A Preparation method for metal capturing agent
CN106179470A A kind of catalytic cracking improves the preparation method of octane number auxiliary agent
CN106277009A A kind of preparation method of aluminum sulfate
CN106179469A A kind of preparation method of catalytic cracking propylene catalyst with yield increase
CN106000276A Novel siliceous mesoporous material and preparation method thereof
CN106145172A A kind of water purification agent and preparation method thereof
CN106048228A Method for recovering rare earth from waste fluid catalytic cracking catalyst
CN105797674A Novel desulfuration adsorbent and preparation method thereof
CN105728015A Comprehensive utilization method for waste residues and waste liquor generated in catalytic cracking catalyst production
CN105621441A Phosphorus containing ZSM-5/Y composite-structure molecular sieve preparation method