Erkki Partanen

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Jyvaskyla, FI

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Patents Grantslast 30 patents

Information Patent Grant
Hybrid former with an MB unit in a paper machine
- Patent number 5,593,546
- Issue date Jan 14, 1997
- Valmet Corporation
- Heikki Ilvespaa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method, device and arrangement for regulating the control of a tran...
- Patent number 5,552,021
- Issue date Sep 3, 1996
- Valmet Corporation
- Heikki Ilvesp aa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Twin-wire web former in a paper machine
- Patent number 5,215,628
- Issue date Jun 1, 1993
- Valmet Paper Machinery Inc.
- Mauri Koivuranta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE