Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604136 | Method and an apparatus for subdivision of and heat recovery from a liquid slag | Bruno Bergkvist, Erik Strandell, Christer Svemar | 1986-08-05 |
| 4528761 | Method and apparatus for drying and/or pre-heating lump material, for example scrap metal | — | 1985-07-16 |