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CHANGSHA HUIJU ENV TECH CO LTD

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    46,889
  • Filing trend
    ⇩ 100.0%
About

CHANGSHA HUIJU ENV TECH CO LTD has a total of 33 patent applications. It decreased 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 electrical machinery and energy are TSUKISHIMA KANKYO ENG LTD, BEIJING CAPITAL ENVIRONMENT TECH CO LTD and SEGHERS BETTER TECHNOLOGY GROU.

Patent filings in countries

World map showing CHANGSHA HUIJU ENV TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 33

Patent filings per year

Chart showing CHANGSHA HUIJU ENV TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Bolin 33
#2 Yi Shi 33
#3 Zhou Yan 22
#4 Yuan Yuxiang 5

Latest patents

Publication Filing date Title
CN106830269A A kind of black and odorous water renovation agent and preparation method and application
CN106809924A A kind of deodorant and improvement the renovation agent of polluted-water and preparation method and application
CN106745653A A kind of agent of dilute soil-base multicomponent water remediation and preparation method
CN106745537A A kind of compound micro-electrolysis stuffing for refractory wastewater and preparation method thereof
CN106583437A Restoration method for cadmium-contaminated soil
CN106800934A A kind of method that utilization oil field sludge prepares soil conditioner
CN106862257A A kind of administering method of soil organic matter and mercury combined pollution
CN106825022A A kind of method that VOCs-contaminated Soils are repaired
CN106583432A Repairing method for cadmium polluted farmland soil
CN106698600A Microelectrolysis filler for printing and dyeing wastewater treatment and preparation method thereof
CN106701086A Method for preparing soil conditioner from non-metallic material of waste circuit board
CN106871126A A kind of processing method of house refuse low-temperature carbonization innoxious burning
CN106731607A A kind of administering method of chemical industry workshop hydrogen sulfide foul smell
CN106898438A A kind of its recovery method as resource of useless tinned wire
CN106827302A The recovery and treatment method of polyurethane waste material in a kind of waste refrigerators
CN106824980A A kind of Coal Chemical Industry crystallizes the method for innocent treatment of abraum salt
CN106834744A A kind of method of Separation of Tin and copper from tin plating waste cupron
CN106834721A A kind of its recovery method as resource of the leaded zinc powder dirt of blast furnace
CN106731608A A kind of administering method of waste gas containing lead
CN106683800A Recycling method of scrap tinned copper rice