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Werner Wiedmann
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Stuttgart, DE
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last 30 patents
Information
Patent Grant
Extruder having a set back gas-permeable wall portion
Patent number
7,607,817
Issue date
Oct 27, 2009
Coperion GmbH
Hans-Joachim Sämann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Screw element for a screw-like extrusion machine
Patent number
5,573,332
Issue date
Nov 12, 1996
Werner & Pfleiderer GmbH
Gerhard Weihrich
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods for preparing chocolate mixtures
Patent number
4,861,615
Issue date
Aug 29, 1989
Werner & Pfleiderer GmbH
Werner Wiedmann
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Method and apparatus for extruding a food product
Patent number
4,786,514
Issue date
Nov 22, 1988
Werner & Pfleiderer GmbH
Werner Wiedmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Processes for preparing caseinates
Patent number
4,605,444
Issue date
Aug 12, 1986
Werner & Pfleiderer
Werner Wiedmann
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Process for regulating the mixing process of rubber mixtures in an...
Patent number
4,455,091
Issue date
Jun 19, 1984
Werner & Pfleiderer
Wolfgang Bamberger
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Device for filling a container which is under pressure
Patent number
4,302,143
Issue date
Nov 24, 1981
Werner & Pfleiderer
Albert Grimminger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for introducing solid fuels into a pressure gasification...
Patent number
4,255,161
Issue date
Mar 10, 1981
Werner & Pfleiderer
Albert Grimminger
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Mixing apparatus for kneading of plastic substances
Patent number
4,234,259
Issue date
Nov 18, 1980
Werner & Pfleiderer
Werner Wiedmann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING COMPOSITE MATERIALS HAVING REDUCED RESISTANCE...
Publication number
20110204296
Publication date
Aug 25, 2011
Bayer MaterialScience AG
Carsten Conzen
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
EXTRUDER
Publication number
20080248152
Publication date
Oct 9, 2008
Coperion Werner & Pfleiderer GmbH & Co. KG
Hans-Joachim Samann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL