Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361825 | Plug for metallurgical vessels | Andreas Au | 1994-11-08 |
| 5058656 | Installation for the production of a steel strip | Erich Hoffken, Gunter Pietzko | 1991-10-22 |
| 4951734 | Process for the production of a steel strip | Erich Hoffken, Gunter Pietzko | 1990-08-28 |
| 4883111 | Ingot mould for continuous casting | Waldemar Radtke, Karl-Heinz Wyrwas | 1989-11-28 |
| 4819840 | Refractory submerged pouring nozzle | Karl-Ulrich Kohler | 1989-04-11 |
| 4719960 | Apparatus for connecting a dummy strip to the leading end of a casting in the start-up of continuous casting of strip metal | Horst Grothe, Peter Boese, Manfred Kolakowski | 1988-01-19 |