Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094605 | Flash removal device in a plant for production of mineral wool | — | 1992-03-10 |
| 4932426 | Method and apparatus for vacuum cleaning mineral wool products while compressing the product | Håkan Wolff | 1990-06-12 |
| 4661134 | Method and apparatus for fiberizing molten mineral material | — | 1987-04-28 |