Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11079108 | Fluidized bed boiler plant and a method of preheating combustion gas in a fluidized bed boiler plant | Ari KETTUNEN, Krister Sundqvist | 2021-08-03 |
| 9175851 | Method of and an arrangement for recovering heat from bottom ash | — | 2015-11-03 |