Wolfgang Trudel

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Bad Waldsee, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pulp feed for a papermaking machine
- Patent number 4,221,635
- Issue date Sep 9, 1980
- Escher Wyss GmbH
- Rudiger Kurtz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Head box for a paper making machine
- Patent number 4,198,270
- Issue date Apr 15, 1980
- Sulzer Brothers Ltd.
- Rudiger Kurtz
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Head box guide block having bores and tubular inserts
- Patent number 4,146,427
- Issue date Mar 27, 1979
- Escher Wyss GmbH
- Leo Hogel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE