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HANGZHOU COBETTER FILTRATION EQUIPMENT CO LTD

Overview
  • Total Patents
    49
  • GoodIP Patent Rank
    32,945
  • Filing trend
    ⇧ 200.0%
About

HANGZHOU COBETTER FILTRATION EQUIPMENT CO LTD has a total of 49 patent applications. It increased the IP activity by 200.0%. Its first patent ever was published in 2009. It filed its patents most often in China and Taiwan. Its main competitors in its focus markets chemical engineering, mechanical elements and packaging and shipping are LENSER VERWALTUNGS GMBH, ZHEJIANG HONG SHENG ENVIRONMENTAL PROTECTION TECH GROUP CO LTD and PRO PURE INC.

Patent filings in countries

World map showing HANGZHOU COBETTER FILTRATION EQUIPMENT CO LTDs patent filings in countries
# Country Total Patents
#1 China 48
#2 Taiwan 1

Patent filings per year

Chart showing HANGZHOU COBETTER FILTRATION EQUIPMENT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Guo Jiangming 22
#2 Jia Jiandong 16
#3 Chen Mengze 6
#4 Pan Zhe 4
#5 Zhu Zanqing 3
#6 Zhu Hangcheng 3
#7 Ke Wenjing 3
#8 Zhou Hui 3
#9 Chen Feng 3
#10 Sheng Fengxiang 2

Latest patents

Publication Filing date Title
CN111346520A Asymmetric polyolefin degassing membrane and preparation method thereof
CN110548327A Dish-shaped filter disc for filtering high-viscosity melt
CN110529676A A kind of sealed fitting
CN110538498A Folding filter element
CN110538582A Preparation method of asymmetric polyolefin film
CN110548411A Preparation method of asymmetric polyolefin film
CN112274999A Folding filter element
CN112090285A Method for preparing hydrophilic PVC flat membrane and hydrophilic PVC flat membrane prepared by method
CN112090286A Method for preparing hydrophobic polyvinyl chloride film and film prepared by method
CN112090287A Method for preparing hydrophilic PVC hollow fiber membrane and hydrophilic PVC hollow fiber membrane prepared by method
CN110043722A A kind of pipe fitting being connect with pipe
CN110030442A A kind of pipe joint
CN110030443A Sealing duct connector
CN110052060A A kind of doughnut degassing membrane component
CN111821859A Disposable vacuum filter
CN111467854A But quick replacement's filter
CN111467853A Clamp for fixing filter unit and operation method thereof
CN111346427A Filter
CN111219554A Pipe joint
CN111216349A Pipe flaring die and method for flaring pipe by using same