Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624469 | Method and apparatus for recovering heat from solid material separated from gasification or combustion processes | Harry Ollila | 1997-04-29 |
| 5601788 | Combined cycle power plant with circulating fluidized bed reactor | Timo Hyppanen, Timo Eriksson, Teuvo Pulkkinen, Steven J. Provol | 1997-02-11 |