Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10716176 | Apparatus and method for dynamically adjusting an electric arc furnace | Arno Doebbeler, Werner Hartmann, Martin Hergt | 2020-07-14 |
| 4956566 | Circuit configuration with a generator system for path- or angle-dependent signals | — | 1990-09-11 |