Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10119700 | Arrangement and method in soda recovery boiler | Jussi Nyman, Taisto Rajala | 2018-11-06 |
| 9920476 | Arrangement and method in soda recovery boiler | Piia Niemi, Markku Isoniemi, Tero Juutilainen | 2018-03-20 |
| 7900567 | Shielding arrangement for the smelt spout area of a recovery boiler | Hannu Koskela, Ari Saarela | 2011-03-08 |
| 7587994 | Arrangement in recovery boiler | Antti Raukola, Aki Hakulinen | 2009-09-15 |
| 6874449 | Black liquor gun | Seppo Puhtila | 2005-04-05 |
| 6178924 | Method for upgrading a boiler | Aki Hakulinen | 2001-01-30 |