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HUNAN HENGKAI ENVIRONMENT TECH INVESTMENT CO LTD

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    76,280
  • Filing trend
    ⇧ 28.0%
About

HUNAN HENGKAI ENVIRONMENT TECH INVESTMENT CO LTD has a total of 22 patent applications. It increased the IP activity by 28.0%. 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, basic materials chemistry and agriculture are SHENGSHI ECOLOGY ENV CO LTD, KIM HAK RHO and KANG SEOK-WOONG.

Patent filings in countries

World map showing HUNAN HENGKAI ENVIRONMENT TECH INVESTMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 22

Patent filings per year

Chart showing HUNAN HENGKAI ENVIRONMENT TECH INVESTMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Xing Hanjun 10
#2 Li Jing 10
#3 Luo Wenlian 8
#4 Ran Qiyang 7
#5 He Zhiguo 7
#6 Cao Xing 5
#7 Mao Yongqiang 5
#8 Zou Xianjun 5
#9 Kuang Meijuan 4
#10 Wen Yu 4

Latest patents

Publication Filing date Title
CN110510826A The black smelly enhanced water processing system of one kind and technique
CN109821867A A kind of mixed fertilizer for repairing mercury pollution and middle low mercury contaminated soil plant restorative procedure
CN109694267A A kind of vertical biology aerobic installation for fermenting of the automatic turning of dynamic multilayer
CN109678626A The soil conditioner and the preparation method and application thereof repaired for mercury pollution farmland
CN109692555A A kind of biological deodorizing device and biologic deodorization method of integrated form
CN109833849A Modification biological charcoal and the preparation method and application thereof for As polluted soil reparation
CN109516114A A kind of mobile conveying sludge hopper
CN109593015A Utilize the water paddy soil modifying agent and preparation method thereof of solid waste preparation
CN109609135A For administering the soil conditioner and method of mercury pollution
CN109704511A A kind of method high-performance bio degradation filtration reactor and handle black and odorous water with it
CN109588218A For reducing the implantation methods of crops mercury content
CN109536174A A kind of offal treatment technique based on phosphorus, potassium element resource utilization
CN108793668A A kind of method that sludge atomization drying burns
CN108467236A A kind of stable curing continuous processing technique of heavy metal waste slag
CN108176218A Rotate material filling type biological deodorizing device
CN108192631A A kind of charcoal base flora composite soil conditioner and its preparation and application
CN108069670A A kind of stable curing method of mercurous waste material
CN107814469A A kind of biological dewatered method of city sludge
CN107880968A A kind of method that biomass fuel is prepared using urban life sludge
CN107281998A Modified magnetic alumina adsorbant and its preparation method and application