Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371759 | D.C. furnace with a hearth electrode, hearth electrode and electrode block, as well as process for operating said furnace | William Wells | 1994-12-06 |
| 5297159 | Direct current-light arc furnace | Herbert Dung | 1994-03-22 |
| 5290016 | Arrangement for cooling vessel portions of a furnace, in particular a metallurgical furnace | — | 1994-03-01 |