Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473243 | Method and a system for removing hydrogen sulphide ions (HS−) from a liquor of a pulp mill process | Erkki Välimäki, Tuomo Hilli | 2022-10-18 |
| 7713382 | Method and apparatus for processing wood chips | Lasse Hernesniemi, Antti Tuominen | 2010-05-11 |
| 7575657 | Method and apparatus for reducing the amount of sludge produced in a pulp and/or paper mill | — | 2009-08-18 |