Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229527 | Method for the controlled thickening of low consistency fiber suspensions | Risto Ljokkoi, Olavi Pikka, Sami Siik, Harri Qvintus | 2007-06-12 |
| 6767432 | Apparatus for the thickening of fiber suspensions | Risto Ljokkoi, Olavi Pikka, Sami Siik, Harri Qvintus | 2004-07-27 |
| 6514380 | Treatment of chemical pulp | Olavi Pikka | 2003-02-04 |
| 5575395 | Method and apparatus for screening fibrous suspensions | Timo Alajaaski, Kaj Henricson, Kalevi Laakso, Risto Ljokkoi, Olavi Pikka +2 more | 1996-11-19 |
| 5547083 | Apparatus for treating fiber suspension | Timo Alajaaski, Kalevi Laakso, Risto Ljokkoi | 1996-08-20 |