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HANGZHOU KAIYUAN ENV ENGINEERING CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    157,160
  • Filing trend
    ⇧ 100.0%
About

HANGZHOU KAIYUAN ENV ENGINEERING CO LTD has a total of 11 patent applications. It increased 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 chemical engineering are YIXING LINGTAI ENV PROT CO LTD, WATER REGENERATION SYSTEMS INC and AQUENOX PTY LTD.

Patent filings in countries

World map showing HANGZHOU KAIYUAN ENV ENGINEERING CO LTDs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing HANGZHOU KAIYUAN ENV ENGINEERING CO LTDs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Zhu Helin 11
#2 Yang Min 7
#3 Lu Fangjun 5
#4 Deng Haijing 3
#5 Lyu Zhiyuan 2
#6 Lai Dongqi 2
#7 Wu Yan 2
#8 Zhang Zhipeng 2
#9 Hu Lihua 2
#10 Fang Mengfei 2

Latest patents

Publication Filing date Title
CN111392893A Automatic dosing system for printing and dyeing wastewater treatment system
CN109835983A A kind of pulsed stirring water-distributing device and its application method
CN109019987A A kind of efficient recycling method of dyeing waste water
CN109052731A A method of efficiently removing antimony from dyeing waste water
CN108996846A A kind of dyeing waste water sludge decrement processing apparatus and method
CN108751527A A kind of combined type high-recovery processing system
CN109019853A A kind of dyeing waste water efficient anaerobic processing system
CN108675506A A kind of film concentrated water processing system applied to dyeing
CN107746154A One kind printing and dyeing(Containing antimony)Sewage disposal system
CN107200422A A kind of method that electrochemical pre-treatment gold mine selects smelting residual organic matter and cyanide wastewater
CN107117755A A kind of high ammonia-nitrogen wastewater processing and ammonia recovery system and its method