Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5562753 | Method and installation for producing molten steel from ferrous materials rich in carbonaceous materials | Henri Gaye, Jean-Luc Roth, Yves Zbaczyniak | 1996-10-08 |
| 4771993 | Device for injecting divided solid materials in a smelting blast furnace | Hugues Zanetta, Michel Schneider | 1988-09-20 |
| 4700930 | Device for injecting pulverulent material, such as coal, in a blast furnace | Michel Schneider | 1987-10-20 |