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HANGZHOU HUISHUI TECH CO LTD

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    81,041
  • Filing trend
    ⇩ 33.0%
About

HANGZHOU HUISHUI TECH CO LTD has a total of 20 patent applications. It decreased the IP activity by 33.0%. 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 mechanical elements are FOSHAN MIDEA CHUNGHO WATER PURIFICATION EQUIPMENT CO LTD, ALTWELL TECH INC and ECOWATER SYSTEMS LLC.

Patent filings in countries

World map showing HANGZHOU HUISHUI TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 20

Patent filings per year

Chart showing HANGZHOU HUISHUI TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Wanshou 20
#2 Li Yungui 16
#3 Hou Chunxiao 14
#4 Yang Juanying 12
#5 Ye Zongwei 11
#6 Hu Haiping 9
#7 Li Guorong 8
#8 Li Xia 6
#9 Ai Ke 5
#10 Si Jikun 5

Latest patents

Publication Filing date Title
CN111960498A Device and method for quantitatively adding granular active coke
CN111841092A Filter tank sharing filter material lifting pipeline and filter material cleaning device
CN111677928A Gas circuit butt joint valve device
CN111692351A Deep water valve device
CN111396683A Exhaust device for vertical pipeline
CN111389141A Multistage atomizing dust collector
CN111389385A Spiral separation and cleaning device and method for active coke filter material
CN111389117A Active coke regeneration waste gas treatment device and method
CN111013211A Filter tank sharing filter material cleaning device
CN110127699A A kind of active carbon activating and regenerating device and regeneration method of active carbon and activation method
CN110180671A A kind of hydraulic active carbon flotation unit
CN109877043A Granule filter material sieves cleaning machine
CN109795885A A kind of Pneumatic conveyer and its application method with protection sleeve pipe
CN109823843A Pneumatic conveying pipeline check intake valve
CN108554396A Seed activity coke regenerates unit rapid heat radiation device
CN108759491A Reverse-flow seed activity coke activation furnace and its flue gas adverse current method
CN108117126A Seed activity coke adsorption tower washes coke installation
CN108117127A Seed activity coke adsorption tower water-distributing device
CN108119653A The burnt regeneration unit heating tube sealing device of seed activity
CN105967262A Dephosphorizing granular activated coke adsorption tower with fluidized bed