Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688372 | Method and device in the regulation of a headbox | Ari Linsuri, Petri Nyberg, Michael Odell | 1997-11-18 |
| 5674363 | Method and device in the regulation of a headbox | Petri Nyberg, Olavi Viitanen | 1997-10-07 |
| 5626722 | Headbox of a paper/board machine | — | 1997-05-06 |
| 5617896 | Valve having a closure member for creating flow turbulence in the valve | Jouko Tornberg, Pekka Kivipelto, Jouni Pyotsia | 1997-04-08 |