Martti Pokkinen

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Savonlinna, FI

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Patents Grantslast 30 patents

Information Patent Grant
Clarifying and/or filtering of green liquor and an apparatus therefore
- Patent number 5,788,813
- Issue date Aug 4, 1998
- Ahlstrom Machinery Oy
- Holger Engdahl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Disk defibrator
- Patent number 4,219,166
- Issue date Aug 26, 1980
- Enso-Gutzeit Osakeyhtio
- Jorma Surakka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE