Harry Erlund

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Espoo, FI

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Patents Grantslast 30 patents

Information Patent Grant
Deaeration vessel
- Patent number 6,096,120
- Issue date Aug 1, 2000
- Ahlstrom Machinery Oy
- Harry Erlund
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for improving flotation separation
- Patent number 5,240,621
- Issue date Aug 31, 1993
- A. Ahlstrom Corporation
- Jorma Elonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE