Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7900567 | Shielding arrangement for the smelt spout area of a recovery boiler | Kari Haaga, Ari Saarela | 2011-03-08 |
| 7891325 | Cleaner for the smelt spout of a recovery boiler | Ari Saarela, Kalle Salmi | 2011-02-22 |