| 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 |