Matti Aario

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Tampere, FI

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Patents Grantslast 30 patents

Information Patent Grant
Blocking slab for pulp grinder
- Patent number 4,595,150
- Issue date Jun 17, 1986
- Oy Tampella AB
- Matti Aario
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of improving the utilization of the heat energy produced in...
- Patent number 4,428,534
- Issue date Jan 31, 1984
- Oy Tampella AB
- Ari A. M. Maijala
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Sealing arrangement for a shutter of a pressure grinder
- Patent number 4,305,590
- Issue date Dec 15, 1981
- Oy Tampella AB
- Pekka Haikkala
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Classifying apparatus for a suspension
- Patent number 4,193,865
- Issue date Mar 18, 1980
- Oy Tampella AB
- Matti Aario
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING