Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8167115 | Method of supporting an unloading conveyor bridge | Ilkka Saari | 2012-05-01 |
| 7735762 | Knife system for a disc chipper | — | 2010-06-15 |
| 7600545 | Processing apparatus of wood to be chipped | Tommi Honkanen, Ari Havu | 2009-10-13 |
| 7584772 | Method for clamping a knife in a disc chipper and a knife clamp for a knife assembly | — | 2009-09-08 |
| 7293730 | Knife fixing method | — | 2007-11-13 |
| 7234909 | Apparatus for storage and unloading of granular material | — | 2007-06-26 |
| 7101140 | Apparatus for storage and unloading of granular material | — | 2006-09-05 |
| 7063282 | Comminuting apparatus | Antti Tohkala | 2006-06-20 |
| 6769532 | Method and apparatus for conveying a solid material | — | 2004-08-03 |
| 6546979 | Method for controlling a drum debarker | — | 2003-04-15 |
| 6516843 | Method for defrosting logs and a defrosting apparatus | — | 2003-02-11 |
| 6484770 | Method of chipping of wood and a disc chipper | — | 2002-11-26 |
| 6213178 | Method and apparatus for handling logs to be debarked | Kari Liljeroos, Tero Aronen | 2001-04-10 |
| 6056030 | Blade disk arrangement for a disk chipper and a hinge strip of a wear plate | — | 2000-05-02 |
| 5992204 | Method of increasing the strength of a blade, and a blade | Antti Tohkala | 1999-11-30 |
| 5988358 | Screw conveyor | — | 1999-11-23 |
| 5975169 | Feeding method and feeding chute of disc chipper | Antti Tohkala, Hannu Tahkanen | 1999-11-02 |
| 5857508 | Method of fastening a wear plate and a knife base to a disc chipper, and a disc chipper | — | 1999-01-12 |
| 5765452 | Method for improving the endurance of a blade base of a disc chipper, a blade base of a disc chipper and a disc chipper | Paul Roux, Timothy P. Nettles, Hannu Tahkanen, Pauli Vienola, Antti Tohkala | 1998-06-16 |
| 5660076 | Drive system of a rotating drum | Antti Tohkala, Pauli Vienola | 1997-08-26 |
| 5660218 | Blade system to be used in wood chipping, a blade; a guide member and a filler member as well as a method for changing blades | — | 1997-08-26 |
| 5372062 | Method and a press for compressing material having two opposed transfer elements exacting a greater pressing force on the material during a forward motion than the pressing force exerted during a return motion | Antti Tohkala | 1994-12-13 |
| 5134929 | Method and equipment for compressing material consisting of particles | Antti Tohkala, Esko Unkuri | 1992-08-04 |
| 5063981 | Method and means of conveyance of solid matter in pieces or particles | — | 1991-11-12 |