Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738823 | Meltdown apparatus | Erik Lassander, Gerhard Lempa, Sven-Einar Stenkvist | 1998-04-14 |
| 4778518 | Slag-melt reactions with improved efficiency | Kjell Bergman, Thore Gustafson, Lars Karlsson | 1988-10-18 |
| 4395281 | Treating molten pig iron in a torpedo | — | 1983-07-26 |