Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9228745 | Cleaner equipment for the smelt spouts of a recovery boiler | Ari Saarela, Kalle Salmi | 2016-01-05 |
| 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 |
| 5661231 | Arrangement for leak testing place in connection with a ventilator | — | 1997-08-26 |