Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694799 | Hot-rolling process and hot-rolling mill for metal strip | Waldemar Wolpert, Friedrich Heymann, Manfred Mohlenkamp | 1997-12-09 |
| 5482106 | Process for the casting of metals in a continuous casting installation with continuous strand withdrawal | Erich Hoffken, Dieter Kruger, Heinz Matten, Jurgen Scharlack | 1996-01-09 |
| 5479982 | Method for the production of a steel strip by the casting of a strand followed by rolling | Erich Hoffken, Dieter Kruger, Gisbert Mehring | 1996-01-02 |
| 5058656 | Installation for the production of a steel strip | Erich Hoffken, Hermann Lax | 1991-10-22 |
| 4951734 | Process for the production of a steel strip | Erich Hoffken, Hermann Lax | 1990-08-28 |