Willi Wetzel

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Niederuzwil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method of thermally treating flour for hygienic purposes
- Patent number 7,150,892
- Issue date Dec 19, 2006
- Buhler AG
- Urs Wuest
- A21 - BAKING EDIBLE DOUGHS
Information Patent Grant
Device for thermal treatment of flour for hygenic purposes
- Patent number 7,147,363
- Issue date Dec 12, 2006
- Buhler AG
- Urs Wuest
- A21 - BAKING EDIBLE DOUGHS
Information Patent Grant
Screw extruder and process for controlling the quality of feedstuff...
- Patent number 5,714,187
- Issue date Feb 3, 1998
- Buhler AG
- Pierre Alain Froidevaux
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for slip regulation of a pellet mill and apparatus for carry...
- Patent number 5,251,545
- Issue date Oct 12, 1993
- Buhler AG
- Willi Wetzel
- B30 - PRESSES
Information Patent Grant
Apparatus for slip regulation of a pellet mill
- Patent number 5,152,215
- Issue date Oct 6, 1992
- Buhler AG
- Willi Wetzel
- B30 - PRESSES
Information Patent Grant
Pellet mill
- Patent number 4,979,887
- Issue date Dec 25, 1990
- Gebrueder Buehler AG
- Werner Groebli
- B30 - PRESSES