Mathias Helmus

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Tonisvorst, DE

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Patents Grantslast 30 patents

Information Patent Grant
Calender for webs of paper or a similar material
- Patent number 6,336,398
- Issue date Jan 8, 2002
- Voith Sulzer Papiertechnik Patent GmbH
- Franz Kayser
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Calender for fibrous material webs and method of operating same
- Patent number 6,325,960
- Issue date Dec 4, 2001
- Voith Sulzer Papiertechnik Patent GmbH
- Franz Kayser
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Calender arrangement for manufacturing a paper web
- Patent number 6,247,398
- Issue date Jun 19, 2001
- Voith Sulzer Papiertechnik Patent GmbH
- Franz Kayser
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE