Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9267234 | Blade element and refiner | Juha-Pekka Huhtanen, Vesa Harju, Markku Partanen, Petteri Vuorio | 2016-02-23 |
| 8172165 | Device and method for defibration of wood | — | 2012-05-08 |
| 7819149 | Method and apparatus for mechanical defibration of wood | Mikael Lucander, Tomas Björkovist | 2010-10-26 |
| 7564363 | Method and measuring arrangement for monitoring the condition of a grinder stone of a pulp grinder | Risto Karojärvi, Juhani Valli | 2009-07-21 |
| 7169021 | Arrangement for treating pulpstone surface | — | 2007-01-30 |
| 7086938 | Grinding segment and grinder stone | — | 2006-08-08 |
| 7000859 | Grinding element and grinder stone | — | 2006-02-21 |
| 6193180 | Arrangement in a pulp grinder | Pekka Haikkala, Jouko Hautala, Heikki Liimatainen, Kari Parssinen, Simo Setala | 2001-02-27 |
| 6109550 | Arrangement for providing continuous grinding in a pulp grinder | Pekka Haikkala, Kari Parssinen, Jouko Hautala, Heikki Liimatainen, Simo Setala | 2000-08-29 |
| 6095443 | Arrangement for feeding wood in a pulp grinder | Pekka Haikkala, Jouko Hautala, Heikki Liimatainen, Kari Parssinen, Simo Setala | 2000-08-01 |
| 5964421 | Method and arrangement for treatment of reject material | Jouko Hautala | 1999-10-12 |
| 5429949 | S-triazine degrading bacteria | Mark C. Radosevich, Samuel J. Traina | 1995-07-04 |