Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5449422 | Method and device for the heat treatment of heat treatable material in an industrial furnace | Rudolf Pflanz, Franz Engelberg, Richard Breisinger | 1995-09-12 |
| 5085065 | Universal roll stand and method of operating same | Georg Engel, Paul-Josef Mauk, Hugo Feldmann | 1992-02-04 |
| 4864838 | Drive apparatus for the vertical rolls of a universal rolling mill stand | Georg Engel, Hans-Heinrich Hartmann, Peter Koethe, Alexandr Svagr | 1989-09-12 |