Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062022 | Pressing apparatus and pressing method for the isostatic pressing of a member | — | 2011-11-22 |
| 5217658 | Method for repairing a hot-blast long-time cupola furnace | Max Lehner, Helmut Grey | 1993-06-08 |
| 5114474 | Arrangement and method for introducing waste material into a molten slag | Ludwig Wilhelm | 1992-05-19 |
| 4801323 | Method of making a discharge vessel for compact low-pressure discharge lamps | Lutz Klein, Ernst Panofski, Gerd-Otto Eckstein, Josef Plischke | 1989-01-31 |