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HUNAN HENGKAI ENV TECH INVEST CO LTD

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    86,650
  • Filing trend
    ⇩ 100.0%
About

HUNAN HENGKAI ENV TECH INVEST CO LTD has a total of 19 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, basic materials chemistry and chemical engineering are BCEG ENV REMEDIATION CO LTD, KRUEGER KLAUS and BEIJING AEROSPACE ENV ENG CO LTD.

Patent filings in countries

World map showing HUNAN HENGKAI ENV TECH INVEST CO LTDs patent filings in countries
# Country Total Patents
#1 China 19

Patent filings per year

Chart showing HUNAN HENGKAI ENV TECH INVEST CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Luo Wenlian 15
#2 He Zhiguo 13
#3 Jiang Yi 7
#4 Shi Weihua 7
#5 Li Jing 6
#6 Xu Li 5
#7 Li Zhi 5
#8 Li Xian 5
#9 Zou Xianjun 5
#10 Wang Zigui 4

Latest patents

Publication Filing date Title
CN106830287A A kind of modularization ecological filter filler for removing water pollutant and preparation method thereof
CN106734170A A kind of method that heavy metal pollution cohesive soil is processed by slurrying combination stabilization process
CN106495945A A kind of method that utilization municipal sludge quickly prepares soil conditioner
CN106365399A Urban sludge treatment process
CN106178615A A kind of rotation sand setting equipment and technique thereof
CN106178930A A kind of life assemblage deodorization technique and device thereof
CN106216385A A kind of contact break stabilisation restorative procedure of heavy-metal contaminated soil
CN106077074A A kind of in-situ remediation method of deep layer heavy-metal contaminated soil
CN106001096A Ferrate oxidation co-precipitation-based arsenic-contaminated soil remediation method
CN106190130A A kind of heavy metal pollution of soil repairs stabilizer and application process thereof
CN105833716A Biological deodorization composition for odor removal, method for preparing filler by biological deodorization composition and application of biological deodorization composition
CN105948241A Packed EGSB reactor
CN106001084A Reactor for strengthening biological repairing of phenol contaminated soil through combination of electric power migration and Fenton oxidation and method for repairing phenol contaminated soil
CN105855287A Method for ex-situ remediation of organic contaminated soil by virtue of sodium percarbonate-biological pile technique
CN105750327A Method for remediating petroleum hydrocarbon polluted soil ex situ by adopting ozone-biological reactor technology
CN105798057A Rotating reaction generator and method for repairing organic contaminated soil based on photocatalysis of rotating reaction generator
CN105834202A Method for repairing soil contaminated by polycyclic aromatic hydrocarbon by combining fenton-like chemical oxidation and biological heap technologies
CN105585288A Stable curing agent for waste incineration fly ash and method for treating urban domestic waste incineration fly ash
CN105597262A Medicament and method for stabilizing and solidifying high-concentration arsenic-containing waste residue