Vesa Rommi

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Karhula, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method and device in headbox of paper, board or pulp drying machine
- Patent number 5,082,530
- Issue date Jan 21, 1992
- Valmet-Karhula Inc.
- Juha Keskiivari
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Hydraulic headbox with air attenuation chamber located under the st...
- Patent number 4,923,569
- Issue date May 8, 1990
- Valmet-Ahlstrom, Inc.
- Tapani Nyman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE