Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4646318 | Crucible furnace with adjustable electrodes | Eckard Schunk, Frank Winter, Clive Jackson | 1987-02-24 |
| 4615036 | Cooling the electrode connection in an arc furnace | Luciano Ambrosi, Klaus von Ploetz, Ludger Zangs | 1986-09-30 |