Bjorn Ahs

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Karlstad, SE

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for screening a suspension of fibrous cellulose pulp
- Patent number 4,968,417
- Issue date Nov 6, 1990
- Kamyr AB
- Bjorn Ahs
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of delignification of cellulosic fiber material
- Patent number 4,895,619
- Issue date Jan 23, 1990
- Kamyr AB
- Bjorn Ahs
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Combined screening and reject reduction
- Patent number 4,699,324
- Issue date Oct 13, 1987
- Kamyr AB
- Bjorn Ahs
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Screening device
- Patent number 4,680,108
- Issue date Jul 14, 1987
- Kamyr AB
- Bjorn Ahs
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Mixing apparatus for mixing a fluid fiber suspension with a treatme...
- Patent number 4,339,206
- Issue date Jul 13, 1982
- Kamyr AB
- Bjorn Ahs
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE