Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530452 | Reactive silencer for industrial air channels and its use | Henrik Pettersson, Keijo Nissilä, Tauno Heikkilä | 2003-03-11 |
| 4892622 | Method for resisting formation of undulations in a fiber/water mixture during forming of a paper web in a paper-making machine | Raimo Malkki, Paavo Jaatinen, Timo Haverinen, Pekka Eskelinen, Vesa Vuorinen +2 more | 1990-01-09 |