Wolfram Durr

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Device for impregnation of webs of porous materials
- Patent number 6,174,369
- Issue date Jan 16, 2001
- Vits Maschninenbau GmbH
- Udo Unger
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Arrangement for impregnating webs of porous material
- Patent number 5,690,741
- Issue date Nov 25, 1997
- Vits-Maschinenbau GmbH
- Wolfram Durr
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process and apparatus for applying liquid, pasty or foamy substance...
- Patent number 4,774,107
- Issue date Sep 27, 1988
- Vits Maschinebau GmbH
- Kurt von Kwiatkowski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE