Thor Johansen

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for dividing a flow of fibrous material into at least two...
- Patent number 5,465,915
- Issue date Nov 14, 1995
- Sunds Defibrator Industries Aktiebolag
- Arne Ahlen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Refiner with means to protect the refining discs from premature wear
- Patent number 5,203,514
- Issue date Apr 20, 1993
- Sunds Defibrator Industries Aktiebolag
- Anders Mokvist
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE