Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5255285 | Feedback control system for the impedance control of an electric arc furnace | Franz Rubenzucker | 1993-10-19 |
| 5028258 | Process of controlling the slag in a top-blowing steelmaking converter | Alois Schmitzberger | 1991-07-02 |