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Patents Grantslast 30 patents

Information Patent Grant
Method for the controlled thickening of low consistency fiber suspe...
- Patent number 7,229,527
- Issue date Jun 12, 2007
- Andritz-Ahlstrom Oy
- Antero Laine
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for the thickening of fiber suspensions
- Patent number 6,767,432
- Issue date Jul 27, 2004
- Andritz Oy
- Antero Laine
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treatment of chemical pulp
- Patent number 6,514,380
- Issue date Feb 4, 2003
- Andritz Oy
- Antero Laine
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for screening fibrous suspensions
- Patent number 5,575,395
- Issue date Nov 19, 1996
- A. Ahlstrom Corporation
- Timo Alajaaski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Apparatus for treating fiber suspension
- Patent number 5,547,083
- Issue date Aug 20, 1996
- A. Ahlstrom Corporation
- Timo Alajaaski
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for the thickening of fiber suspensions
- Publication number 20040084160
- Publication date May 6, 2004
- ANDRITZ OY
- Antero Laine
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE