Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11192180 | Sliding gate for a vessel containing molten metal | — | 2021-12-07 |
| 10857593 | Method and device for repairing a refractory shell of a metallurgical vessel | Raphael Renggli, Paul Guenther | 2020-12-08 |