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SHANDONG TIANWEI MEMBRANE TECH CO LTD

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    118,183
  • Filing trend
    ⇧ 33.0%
About

SHANDONG TIANWEI MEMBRANE TECH CO LTD has a total of 14 patent applications. It increased 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, macromolecular chemistry and polymers and materials and metallurgy are WOONGJINCOWAY CO LTD, POUR LE TRAITEMENT ET L UTILIS and INDUSTRIAL FILTER PUMP MFG CO.

Patent filings in countries

World map showing SHANDONG TIANWEI MEMBRANE TECH CO LTDs patent filings in countries
# Country Total Patents
#1 China 14

Patent filings per year

Chart showing SHANDONG TIANWEI MEMBRANE TECH CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fu Rongqiang 10
#2 Liu Zhaoming 9
#3 Lian Wenyu 5
#4 Zhang Xiaoli 5
#5 Wang Wei 4
#6 Wang Dan 4
#7 Lou Yufeng 4
#8 Li Xiaoyu 4
#9 Zhang Wei 3
#10 Zhang Pan 3

Latest patents

Publication Filing date Title
CN111085120A Preparation method of monovalent selective cation exchange membrane
CN111036099A Preparation method of crosslinked polysulfone anion exchange membrane
CN111111478A Preparation method of PVDF-based cation exchange membrane
CN109534561A A kind of processing method and its device of aluminium foil nitric acid chemical conversion technique waste water
CN109589809A A kind of preparation method of the cation-exchange membrane with multiple cross-linked structure
CN109569301A A method of producing potassium nitrate co-production acid
CN109939572A A kind of preparation method of the anion-exchange membrane with multiple cross-linked structure
CN108067102A A kind of cation-exchange membrane and preparation method thereof
CN108031496A A kind of preparation method of the three-decker anion-exchange membrane based on poly ion liquid
CN108043254A A kind of preparation method of cross-linking type anion-selective membrane
CN106345324A Method for preparing hybridized ion exchange membrane
CN106310950A Bipolar membrane with amino polymer as middle catalytic layer and preparation method of bipolar membrane
CN106315935A Water desalination device and water desalination method adopting same
CN105836771A Method for improving seed decomposition rate and cycle efficiency in alumina production