Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193180 | Arrangement in a pulp grinder | Pekka Haikkala, Jouko Hautala, Kari Parssinen, Simo Setala, Olli Tuovinen | 2001-02-27 |
| 6109550 | Arrangement for providing continuous grinding in a pulp grinder | Pekka Haikkala, Kari Parssinen, Jouko Hautala, Olli Tuovinen, Simo Setala | 2000-08-29 |
| 6095443 | Arrangement for feeding wood in a pulp grinder | Pekka Haikkala, Jouko Hautala, Kari Parssinen, Simo Setala, Olli Tuovinen | 2000-08-01 |
| 4708011 | Apparatus and method for determining the properties of fiber pulp | Paavo Rautakorpi, Risto Manttari, Heikki Pernu, Heikki Tuomainen, Hannu Rusanen | 1987-11-24 |
| 4688725 | Method for regulation of grinding process in a pocket grinder | Seppo Blomqvist, Kaj Sundstrom, Risto T. Vahteri | 1987-08-25 |
| 4662991 | Method for determining the properties of fiber pulp | Anssi Karna | 1987-05-05 |
| 4541571 | Method of controlling a grinding process in a pocket grinder | Anssi Karna | 1985-09-17 |