Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6588349 | System for the drying of damp biomass based fuel | Pekka Ahtila | 2003-07-08 |
| 5639434 | Process for removing nitrogen oxides from the flue gases of a pulp mill | Tapio Patrikainen, Ari Tamminen, Seppo Tuominiemi, Esa Pikkujamsa, Risto Hämäläinen | 1997-06-17 |