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HUNAN HENGKAI ENVIRONMENTAL PROTECTION TECH INVESTMENT CO LTD

Overview
  • Total Patents
    15
  • GoodIP Patent Rank
    110,581
About

HUNAN HENGKAI ENVIRONMENTAL PROTECTION TECH INVESTMENT CO LTD has a total of 15 patent applications. Its first patent ever was published in 2019. It filed its patents most often in China. Its main competitors in its focus markets environmental technology, basic materials chemistry and chemical engineering are SGR TECH CO LTD, PAREF AB and LUNDY WILLIAM L.

Patent filings in countries

World map showing HUNAN HENGKAI ENVIRONMENTAL PROTECTION TECH INVESTMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 15

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Xing Hanjun 14
#2 Nie Fang 10
#3 Ran Qiyang 9
#4 Li Jing 8
#5 Mao Yongqiang 6
#6 Zou Xianjun 6
#7 Chen Jian 3
#8 Jiang Jun 3
#9 Fang Yayu 3
#10 Liu Linman 2

Latest patents

Publication Filing date Title
CN111729933A Soil remediation agent mixing equipment and process
CN111701342A Underground water organic pollution extraction treatment device and process
CN111744943A Large-diameter medicament injection well and in-situ remediation equipment and process for organic matter polluted groundwater
CN111704180A In-situ injection device and process for strengthening groundwater pollution remediation
CN111704228A Underground water pollution in-situ reagent preparation and injection device and method
CN111266396A Continuous preparation and injection integrated equipment for in-situ remediation chemical agent
CN111420831A Prevent blockking up nozzle and spraying system
CN111285546A Storage regulation and purification system and method for controlling rain-sewage confluence overflow pollution
CN111362245A Method for efficiently recovering nitrogen and phosphorus resources from black water
CN110591972A Brevibacillus nitrificans strain YJ1 and application thereof
CN110548759A rotary thermal desorption kiln, device and process for thermal desorption of organic contaminated soil
CN110523769A A kind of more plant combined repairing methods of pesticide containing arsenic and/or pentachlorophenol contaminated soil
CN110551505A Combined reagent and method for repairing pentachlorophenol polluted soil
CN110523759A Equipment for the thermal desorption reparation of organic polluted soil original position
CN110523768A A kind of plant restoration method of pentachlorophenol contaminated soil