Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447292 | Method for the injection of a plugging mass in a tapping hole of a metallurgical reactor, such as a blast furnace | Jean-Luc Bouttement, Henri Farda, Harold Graber | 1995-09-05 |
| 5249959 | Device for the rapid repair of a blast-furnace plate | — | 1993-10-05 |