Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5923698 | Method of operating an arc furnace, and an arc furnace | Andreas Loebner, Sven-Einar Stenkvist | 1999-07-13 |
| 5809054 | Method for stabilizing an AC system against reactive-load fluctuations, and a power-factor correction device | — | 1998-09-15 |