Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10260744 | Chemical recovery boiler | Jussi Nyman, Taisto Rajala | 2019-04-16 |
| 9228745 | Cleaner equipment for the smelt spouts of a recovery boiler | Hannu Koskela, Kalle Salmi | 2016-01-05 |
| 7900567 | Shielding arrangement for the smelt spout area of a recovery boiler | Kari Haaga, Hannu Koskela | 2011-03-08 |
| 7891325 | Cleaner for the smelt spout of a recovery boiler | Hannu Koskela, Kalle Salmi | 2011-02-22 |