Hannu Tahkanen

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Rauma, FI

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Patents Grantslast 30 patents

Information Patent Grant
Feeding method and feeding chute of disc chipper
- Patent number 5,975,169
- Issue date Nov 2, 1999
- Sunds Defibrator Woodhanding Oy
- Arvo Jonkka
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Method for improving the endurance of a blade base of a disc chippe...
- Patent number 5,765,452
- Issue date Jun 16, 1998
- Sunds Defibrator Woodhandling Oy
- Paul Roux
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Chipping control device and disc chipper
- Patent number 5,373,876
- Issue date Dec 20, 1994
- Sunds Defibrator Woodhandling Oy
- Hannu Tahkanen
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for removing gas from particulated material
- Publication number 20060272786
- Publication date Dec 7, 2006
- Metso Paper, Inc.
- Mikael Svedman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and apparatus for sorting of chips
- Publication number 20020175113
- Publication date Nov 28, 2002
- Hannu Tahkanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE