Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8640634 | Combustion air system for recovery boilers, burning spent liquors from pulping processes | Kari Saviharju, Jorma Simonen, Raimo Paju, Esa Vihavainen | 2014-02-04 |
| 5976319 | Disrupting the flow from the smelt spout of a recovery boiler | Raimo Paju, Markku Tanttu | 1999-11-02 |