Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544140 | Device for measuring the level of the interface between a slag layer and a bath of molten metal in a metallurgical vessel | Gustav Kolb | 1985-10-01 |
| 4413810 | Ascertaining the level of the slag-liquid-metal interface in metallurgical vessels | Ludwig Pichert | 1983-11-08 |