Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4385753 | Tuyere for the simultaneous and separate introduction of at least one gas and one powder material | Maurice Deschamps, Emile Sprunck | 1983-05-31 |
| 4328031 | Method of mixed blowing for refining metals in a converter | — | 1982-05-04 |
| 4243211 | Tuyere for use in refining liquid metals | Jean-Paul Bastien, Emile Sprunck | 1981-01-06 |
| 4192675 | Process for decarburizing ferro-manganese | Robert A. Featherstone, Paul P. Roos, Willem A. Gericke, Jean Saleil, Jean-Marcel Masson | 1980-03-11 |