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Arno Knoll
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Stuttgart, DE
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last 30 patents
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Patent Grant
Screw-type extrusion machine with heating elements
Patent number
5,549,383
Issue date
Aug 27, 1996
Werner & Pfleiderer, GmbH
Arno Knoll
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Degassing means for a twin screw extruder for plastic materials
Patent number
5,297,864
Issue date
Mar 29, 1994
Werner & Pfleiderer GmbH
Arno Knoll
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and extractor device for separating worm elements of an extr...
Patent number
4,754,539
Issue date
Jul 5, 1988
Werner & Pfleiderer GmbH
Arno Knoll
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL