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CHANGSHA HUIJU ENVIRONMENTAL TECH CO LTD

Overview
  • Total Patents
    57
  • GoodIP Patent Rank
    26,013
  • Filing trend
    ⇧ 318.0%
About

CHANGSHA HUIJU ENVIRONMENTAL TECH CO LTD has a total of 57 patent applications. It increased the IP activity by 318.0%. 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 CORPORACION NACIONAL DEL COBRE, ZIJIN COPPER IND CO LTD and IN TEC ITALIA INT ENV TECH SRL.

Patent filings in countries

World map showing CHANGSHA HUIJU ENVIRONMENTAL TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 57

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Zhang Bolin 17
#2 Yi Shi 16
#3 Zhou Yan 11
#4 Yi Zixi 8
#5 Yuan Yuxiang 6

Latest patents

Publication Filing date Title
CN109234538A A kind of high-valued recovery method of tin-coated copper rice
CN109133812A A kind of processing method of electrolytic manganese residues
CN109226246A A kind of method of arsenic and organic material contaminated soil reparation
CN109292892A A kind of administering method of underground water volatile organic matter pollution
CN109289371A A kind of airborne contaminant administering method and device containing sticky paint grain
CN109289334A A kind of the flue gas deep-purifying method and device of the dust containing paint
CN109173494A A kind of administering method and device of poisonous and harmful air pollutants
CN109351759A A kind of recovery method as resource of useless Neutral ball-point for ball-point pen
CN109173487A A kind of administering method and device of industrial air pollution object
CN109260889A A kind of deep-purifying method and device painting spary air pollutants
CN109248912A A kind of method of nickel and organic material contaminated soil reparation
CN109161676A A kind of resource recycle method of discarded printed circuit boards
CN109289401A A kind of air treating method and device of spary paint
CN109304356A A kind of method of zinc and organic material contaminated soil reparation
CN109180111A A kind of safe utilization method of industrial sites soil
CN109439905A A kind of recovery and treatment method of chrome-plated iron tube
CN109316858A A kind of air treating method and device of the dust containing paint
CN109097594A A kind of recovery method of silver-coated copper wire
CN109304353A The administering method of one heavy metal species and volatile organic matter combined contamination soil
CN109304354A A kind of administering method of aluminium and iron combined contamination soil