Ole J. Ricter

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Karlstad, SE

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Patents Grantslast 30 patents

Information Patent Grant
Effective diffuser/thickener screen backflushing
- Patent number 4,881,286
- Issue date Nov 21, 1989
- Kamyr AB
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Effective diffuser/thickener screen backflushing
- Patent number 4,793,161
- Issue date Dec 27, 1988
- Kamyr AB
- Johan C. F. C. Richter
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE