Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783000 | Method for heat treatment of steel, and products of steel | Carl-Lennart Axelsson, Sten Ljungars, Sven-Eric Lunner, Sten-åke Brannvall | 1998-07-21 |
| 5274896 | Destruction and re-use of mineral wool scrap | — | 1994-01-04 |
| 5104310 | Method for reducing the flame temperature of a burner and burner intended therefor | — | 1992-04-14 |