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HUNAN KEENSEN TECH CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    132,639
  • Filing trend
    ⇩ 25.0%
About

HUNAN KEENSEN TECH CO LTD has a total of 13 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets chemical engineering, environmental technology and measurement are CHENG YUAN ENVIRONMENT TECHNOLOGY CO LTD, TECHARMONIC INC and GUANGDONG JIADE ENVIRONMENTAL PROTECTION TECH CO LTD.

Patent filings in countries

World map showing HUNAN KEENSEN TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 13

Patent filings per year

Chart showing HUNAN KEENSEN TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zeng Haohao 9
#2 Shi Chudao 8
#3 Shi Shiye 8
#4 Long Changyu 5
#5 Yu Puren 4
#6 Tang Xuejun 3
#7 Chen Xing 2
#8 Tang Ke 2
#9 Li Ming 2
#10 Ren Zhaohua 2

Latest patents

Publication Filing date Title
CN111330450A Preparation method of composite membrane with high flux and high desalination rate and prepared composite membrane
CN111330459A Preparation method of high-flux composite reverse osmosis membrane and prepared reverse osmosis membrane
CN111036090A Preparation method of aromatic polyamide composite reverse osmosis membrane and prepared reverse osmosis membrane
CN111111447A Nanofiltration membrane preparation method with adjustable and controllable desalination rate and prepared nanofiltration membrane
CN110887618A System and method for testing air tightness of roll type membrane element
CN109173741A A kind of preparation method of high throughput composite polyamide reverse osmosis membrane
CN109173742A A kind of preparation method of anti-oxidant polyamide reverse osmose membrane
CN109173751A A kind of method of modifying of pvdf membrane
CN109795909A A kind of reverse osmosis household membrane component central tube pretreating device and its method
CN109794174A A kind of preparation method of high chlorine resistance reverse osmosis membrane
CN109794173A A kind of preparation method of high-performance seawater desalination reverse osmosis film
CN109794167A A kind of seawater desalination reverse osmosis membrane component and its method for coiling
CN105749768A Composite reverse osmosis membrane with high salt removing rate and controllable flux and method for preparing composite reverse osmosis membrane