Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929202 | Method and arrangement for feeding wood batches into a pressure grinder | Pekka Haikkala, Kari Harakkamäki | 2005-08-16 |
| 6193180 | Arrangement in a pulp grinder | Pekka Haikkala, Jouko Hautala, Heikki Liimatainen, Kari Parssinen, Olli Tuovinen | 2001-02-27 |
| 6109550 | Arrangement for providing continuous grinding in a pulp grinder | Pekka Haikkala, Kari Parssinen, Jouko Hautala, Olli Tuovinen, Heikki Liimatainen | 2000-08-29 |
| 6095443 | Arrangement for feeding wood in a pulp grinder | Pekka Haikkala, Jouko Hautala, Heikki Liimatainen, Kari Parssinen, Olli Tuovinen | 2000-08-01 |