Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7207280 | Combustion air system for recovery boilers, burning spent liquors from pulping processes | Kari Saviharju, Jorma Simonen, Liisa Simonen, Esko Mattelmaki | 2007-04-24 |
| 6742463 | Combustion air system for recovery boilers, burning spent liquors from pulping processes | Kari Saviharju, Jorma Simonen, Liisa Simonen, Esko Mattelmaki | 2004-06-01 |
| 6578529 | Arrangement for feeding black liquor into a recovery boiler | Antti Hytönen, Pentti Piilonen | 2003-06-17 |
| 6146604 | Method of removing nitrogen oxides from recovery boiler flue gases | Erkki Kiiskila, Pia Kilpinen, Kari Saviharju | 2000-11-14 |