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Wafilin B.V.
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Zwolle, NL
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Patents Grants
last 30 patents
Information
Patent Grant
Sealing for an installation for purifying liquids by membrane filtr...
Patent number
4,568,456
Issue date
Feb 4, 1986
Wafilin B.V.
Cornelis van Zon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Non-woven tube for membrane filtration
Patent number
4,514,302
Issue date
Apr 30, 1985
Wafilin B.V.
Cornelis van Zon
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of and apparatus for washing and cleaning membrane filtratio...
Patent number
4,361,485
Issue date
Nov 30, 1982
Wafilin B.V.
Sije Boonstra
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for membrane filtration having an improved desalting effect
Patent number
4,239,624
Issue date
Dec 16, 1980
Wafilin B.V.
Cornelis van Zon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Sealing means for a membrane filtration unit
Patent number
4,148,495
Issue date
Apr 10, 1979
Wafilin B.V.
Cornelis van Zon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Removing coagulable substances from an aqueous medium
Patent number
4,131,541
Issue date
Dec 26, 1978
Wafilin B.V.
Warner J. de Putter
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Fibrous tube for membrane filtration with a tearing member
Patent number
4,022,249
Issue date
May 10, 1977
Wafilin B.V.
Warner Jan de Putter
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
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last 30 trademarks