Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703493 | Seal for an electrode hole in an electric arc furnace | Penyo I. Penev, Ivan K. Ivanov, Velyo T. Velev, Peter H. Savov, Alexander Y. Vulchev | 1987-10-27 |
| 4462878 | Method of treating and refining liquid metal alloys by direct current electric arc heating | Peter H. Savov, Alexander Y. Valchev, Boris Y. Drakaliiski, Vassil G. Peev, Stefan T. Bagarov +5 more | 1984-07-31 |