Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971658 | Method of intensifying the washing of a fiber suspension | Kaj Henricson, Aki Vilpponen, Nils-Erik Virkola | 1990-11-20 |
| 4952314 | Apparatus for treating pulp | Kaj Henricson, Seppo K. Kokkonen, Harri Qvintus, Erkki A. Ruuskanen, Erkki Savolainen | 1990-08-28 |