Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604050 | Method of cleaning nozzles in a fluidized bed | — | 1986-08-05 |
| 4339249 | Heat exchanger for recovery of heat energy from dust-containing waste gases | Karl-Erik Berkestad, Lennart Danielsson, Torsten Svensson, Artur stlund | 1982-07-13 |