Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5267655 | Method and apparatus for treating a gas containing aqueous fiber suspension | Jukka Heino, Kaj Henricson, Raimo Kohonen, Erikki Savolainen, Pentti Vikio | 1993-12-07 |
| 5240621 | Method and apparatus for improving flotation separation | Jorma Elonen, Harry Erlund, Kaj Henricson, Raimo Kohonen, Heikki Manninen +3 more | 1993-08-31 |
| 5227058 | Apparatus for removing liquid from the thickeners, filters, and washers | Raimo Kohonen | 1993-07-13 |
| 5192454 | Method for treating fiber suspension | Ramio Kohonen | 1993-03-09 |
| 5073264 | Apparatus for treating fiber suspension | Raimo Kohonen | 1991-12-17 |