Christer Nastren

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Upplands Vasby, SE

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Patents Grantslast 30 patents

Information Patent Grant
Pair of co-operating refining elements intended for a disc refiner
- Patent number 5,950,946
- Issue date Sep 14, 1999
- Sunds Defibrator Industries AB
- OLof Kjellqvist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refining element of a disc refiner
- Patent number 5,526,992
- Issue date Jun 18, 1996
- Sunds Defibrator Industries Aktiebolag
- Anders Hawen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refining plate
- Patent number D342745
- Issue date Dec 28, 1993
- Sunds Defibrator Industries Aktiebolag
- Christer Nastren
- D15 - Machines not elsewhere specified