Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9713811 | Bottom grate of a crusher or drum chipper and method of producing the bottom grate | Markku Kaljunen | 2017-07-25 |
| 9469491 | Rotary feeder | Markku Kaljunen | 2016-10-18 |
| 8387778 | Apparatus for storing rolling material in a pile and reclaiming from the pile | Heikki Ohvo | 2013-03-05 |
| 8381899 | Apparatus for storing rolling material in a pile and reclaiming from the pile | Heikki Ohvo | 2013-02-26 |
| 8201599 | Debarking mechanism and method | — | 2012-06-19 |
| 8070083 | Method and apparatus for processing logs | — | 2011-12-06 |
| 8020594 | Debarking mechanism | — | 2011-09-20 |
| 7931152 | Shuffling apparatus and method for aligning wood logs in a conveyor | Janne Lahteenmaki, Lennart Thornquist, Jaakko Pitkakangas | 2011-04-26 |
| 7556071 | Debarking mechanism | — | 2009-07-07 |
| 7328808 | Apparatus for sorting wood chips in separate fractions | — | 2008-02-12 |
| 7128216 | Closed air circulation system | — | 2006-10-31 |
| 6978899 | Apparatus for sorting wood chips in separate fractions | — | 2005-12-27 |
| 6619346 | Debarking machine | Jouni Havumaki, Bruce Kirkpatrick | 2003-09-16 |
| 6619345 | Arrangement for a debarking shaft | Jouni Havumaki, Bruce Kirkpatrick | 2003-09-16 |
| 6615884 | Debarking shaft for a debarking machine | Jouni Havumaki, Bruce Kirkpatrick | 2003-09-09 |
| 6588467 | Arrangement in the discharge end of a debarking machine | Jouni Havumaki, Bruce Kirkpatrick | 2003-07-08 |
| 6409111 | Apparatus for reducing the oversized fraction of chips | — | 2002-06-25 |
| 6189583 | Apparatus for removing barks from a wood- and bark-containing log flow | Ari Hannimaki, Jaakko Pitkakangas | 2001-02-20 |
| 6142197 | Disc for a disc chipper | — | 2000-11-07 |
| 5964264 | Material strander and methods therefor | — | 1999-10-12 |
| 5678294 | Procedure for replacing the knives of a disc chipper | — | 1997-10-21 |
| 5649579 | Apparatus for clamping a chipper knife | Matti Kahilahti | 1997-07-22 |
| 5444904 | Device for replacing the knives of a disc chipper | — | 1995-08-29 |
| 5236024 | Counter blade for a disc chipper | Ake Svensson, Anders Olofsson, Ari Hannimaki | 1993-08-17 |
| 5094280 | Disk chipper for the production of wood chips | Matti Kahilahti, Ari Hannimaki, Kari Jääskeläinen | 1992-03-10 |