Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5378443 | Method for reducing emissions when burning nitrogen containing fuels | Folke Engstrom, Mikko Hupa, Yam Y. Lee | 1995-01-03 |
| 4940007 | Fast fluidized bed reactor | Matti Hiltunen, Juha Sarkki | 1990-07-10 |
| 4934281 | Circulating fluidized bed reactor and a method of separating solid material from flue gases | Folke Engstrom, Kaj Henricson | 1990-06-19 |
| 4755134 | Circulating fluidized bed reactor | Folke Engstrom | 1988-07-05 |