Johan F. Witte

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Amsterdam, NL

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for continuous treatment of material
- Patent number 4,147,098
- Issue date Apr 3, 1979
- Stork Amsterdam B.V.
- Johan F. Witte
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for extracting oils from oil containing raw materials
- Patent number 4,122,104
- Issue date Oct 24, 1978
- Stork Amsterdam B.V.
- Johan Frederik Witte
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Apparatus for treating oil containing vegetable raw materials
- Patent number 4,112,836
- Issue date Sep 12, 1978
- Stork Amsterdam B.V.
- Johan Frederik Witte
- F26 - DRYING
Information Patent Grant
Process for treating oil containing vegetable raw materials
- Patent number 4,045,879
- Issue date Sep 6, 1977
- Stork Amsterdam B.V.
- Johan Frederik Witte
- F26 - DRYING
Information Patent Grant
Apparatus for treating finely divided materials with gaseous fluid
- Patent number 4,024,288
- Issue date May 17, 1977
- Johan Frederik Witte
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Apparatus for treating finely divided materials with gaseous fluid
- Patent number 3,972,278
- Issue date Aug 3, 1976
- Stork Amsterdam B.V.
- Johan Frederik Witte
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES