Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643403 | Liquid-cooled lance for blowing oxygen onto a steel bath and method of operating the lance | Pieter J. Kreijger | 1987-02-17 |
| 4535975 | Gas-transmitting wall element for a metallurgical vessel, a metallurgical vessel having such a wall element, and a method of producing steel | Adam Steen | 1985-08-20 |
| 4465514 | Method of producing steel by the LD process | Adam Steen | 1984-08-14 |
| 4443252 | Process for producing steel in a converter from pig iron and ferrous scrap | Pieter J. Kreijger | 1984-04-17 |
| 4427186 | Liquid-cooled lance for blowing oxygen onto a steel bath | — | 1984-01-24 |