Mauri Koivuranta

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Petajavesi, FI

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Patents Grantslast 30 patents

Information Patent Grant
Twin-wire web former in a paper machine
- Patent number 5,599,427
- Issue date Feb 4, 1997
- Valmet Corporation
- Mauri Koivuranta
- 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
Information Patent Grant
Gap former in a paper machine
- Patent number 5,074,966
- Issue date Dec 24, 1991
- Valmet Paper Machinery Inc.
- Mauri Koivuranta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Hybrid former for a paper machine
- Patent number 4,917,766
- Issue date Apr 17, 1990
- Valmet Paper Machinery Inc.
- Mauri Koivuranta
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE