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HANGZHOU CHENGJIE ENVIRONMENTAL PROT CO LTD

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    169,702
  • Filing trend
    ⇧ 200.0%
About

HANGZHOU CHENGJIE ENVIRONMENTAL PROT CO LTD has a total of 17 patent applications. It increased the IP activity by 200.0%. Its first patent ever was published in 2009. It filed its patents most often in China. Its main competitors in its focus markets environmental technology and chemical engineering are YANGZHOU HENGTONG ENV PROT TECH CO LTD, BEIJING QINGSHUI RUNTU ENV PROT TECH CO LTD and KUBINGER ULRICH.

Patent filings in countries

World map showing HANGZHOU CHENGJIE ENVIRONMENTAL PROT CO LTDs patent filings in countries
# Country Total Patents
#1 China 17

Patent filings per year

Chart showing HANGZHOU CHENGJIE ENVIRONMENTAL PROT CO LTDs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Zhu Xianyue 11
#2 Tong Shaoping 11
#3 Hong Xiaping 8
#4 Xianyue Zhu 5
#5 Wei Zhuang 4
#6 Shaoping Tong 4
#7 Mei Yu 3
#8 Weiping Liu 3
#9 Cao Ligang 3
#10 Anping Zhang 3

Latest patents

Publication Filing date Title
CN110372167A A kind of residual sludge reduction technique for A/O technique
CN110115994A A kind of activated carbon supported CeO2-xCatalyst and its preparation method and application
CN108636338A A kind of Fe/C complex solids adsorbent and its preparation method and application
CN108525673A One type Fenton solid catalyst and its preparation method and application
CN108246329A It is a kind of to mix N graphenes-cerium oxide composite catalyst and its application in acid refractory wastewater
CN107032477A The application of acetic acid in a kind of CaO/AC catalysis of solid catalyst ozone oxidation waste water
CN107442141A A kind of solid super-strong acid is used for the purposes and method for being catalyzed hydrogen peroxide/ozone
CN105176962A Method for immobilizing bio-enzyme in ceramic filling material
CN104651341A Method for performing bio-enzyme immobilization through rice bran
CN103011472A Pretreatment method for enhancing BOD (biochemical oxygen demand) absolute value of chemical waste acid
CN102616924A Method for increasing biochemical treatment ability of printing and dyeing wastewater by utilizing enzyme activity soybean meal
CN102070263A Coking phenol cyanogen sewage treating method
CN101704515A Intelligent ozone generator
CN101704514A Ozone generating tube
CN101497489A Method for wastewater treatment under low temperature
CN101492192A Coagulating agent for treating wastewater containing fluorine and use process thereof
CN101497470A Coagulant treating coking wastewater and use technology thereof