Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7207280 | Combustion air system for recovery boilers, burning spent liquors from pulping processes | Kari Saviharju, Jorma Simonen, Esa Vakkilainen, Esko Mattelmaki | 2007-04-24 |
| 6742463 | Combustion air system for recovery boilers, burning spent liquors from pulping processes | Kari Saviharju, Jorma Simonen, Esa Vakkilainen, Esko Mattelmaki | 2004-06-01 |
| 5022331 | Method and apparatus for introducing combustion air into a furnace | — | 1991-06-11 |