Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8177071 | Injector for flotation cell | — | 2012-05-15 |
| 8167133 | Flotation cell | Veikko Kankaanpää, Vesa Harju | 2012-05-01 |
| 7429310 | Method, arrangement and equipment for tensioning and guiding a fabric in a paper or board machine | Pertti Heikkila, Erkki Kärkkäinen, Samppa Salminen, Veli-Matti Vainio | 2008-09-30 |
| 6589424 | Method of making screen cylinder and screen cylinder | — | 2003-07-08 |