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QINGDAO HUI CHENG ENVIRONMENTAL TECH CO LTD

Overview
  • Total Patents
    30
  • GoodIP Patent Rank
    53,887
  • Filing trend
    ⇩ 70.0%
About

QINGDAO HUI CHENG ENVIRONMENTAL TECH CO LTD has a total of 30 patent applications. It decreased the IP activity by 70.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, chemical engineering and materials and metallurgy are IFP Energies Nouvelles, IFP ENERZHI NUVELL and BARTHOLIC DAVID B.

Patent filings in countries

World map showing QINGDAO HUI CHENG ENVIRONMENTAL TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 30

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Zhang Xingong 16
#2 Gao Mingjun 10
#3 Li Zheng 9
#4 Zhang Jinqing 8
#5 Li Feng 7
#6 Bian Zhe 6
#7 Tan Yinglin 6
#8 Guo Kali 5
#9 Sun Zhiqiang 5
#10 Yang Hailong 5

Latest patents

Publication Filing date Title
CN111992035A High-fluidity efficient denitration agent and preparation method thereof
CN111983136A Melamine catalyst performance evaluation equipment
CN111420696A Preparation of catalytic cracking catalyst
CN111482066A SO in desorption high temperature flue gas3Method (2)
CN111423139A Resource disposal method for garbage fly ash
CN111454008A Zero-landfill technical method for waste incineration fly ash
CN111057569A Waste plastic recycling method
CN111100684A Process method for dechlorinating waste plastic in cracking process
CN111088058A Method for preparing oil from waste plastics
CN111088057A Method for producing hydrogen by using waste plastics to produce oil
CN110950789A Regeneration method of nickel-removing chelating agent in aluminum sulfate production process
CN110665521A Catalyst for synthesizing melamine and preparation method thereof
CN110499183A A kind of fluidized catalytic cracking method
CN110499182A A kind of catalyst cracking method of hydro carbons and its derivative
CN110499181A A kind of catalyst cracking method and device of the reaction of at the uniform velocity bed
CN110194467A A method of 13X molecular sieve is prepared by NaY mother liquor
CN110252385A A kind of catalytic cracking catalyst
CN109095442A A kind of processing method of the Waste Sulfuric Acid of alkylation production process discharge
CN109052338A A kind of processing method of the Waste Sulfuric Acid of alkylation production process discharge
CN109092280A A kind of preparation method of catalytic cracking vanadium traps