Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4460376 | Method of recovering high-grade fuel from solid mineral-fuel raw material | Erik G. Back, Sten C. Svemar, Bruno C. Wallsten | 1984-07-17 |
| 4436529 | Method for removing sulphur in conjunction with the gasification of carbonaceous material in metal smelts | Karl Goran Gorling | 1984-03-13 |
| 4345990 | Method for recovering oil and/or gas from carbonaceous materials | Karl Goran Gorling | 1982-08-24 |