Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624469 | Method and apparatus for recovering heat from solid material separated from gasification or combustion processes | Juhani Isaksson | 1997-04-29 |
| 5281398 | Centrifugal separator | Timo Hyppanen, Reijo Kuivalainen | 1994-01-25 |
| 5081938 | Method and apparatus for controlled bidirectional feeding of particulate matter | — | 1992-01-21 |