Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8904841 | Roller drive and a roller stand with such a drive | — | 2014-12-09 |
| 6062058 | Roll stand | — | 2000-05-16 |
| 5095601 | Apparatus for fixing a roll ring on a roll shaft | — | 1992-03-17 |
| 5054746 | Apparatus for hardening rails | — | 1991-10-08 |
| 5009092 | Coiler arrangement | — | 1991-04-23 |
| 4703640 | Coiler-furnace unit | Franz Hirschmanner, Peter T. Heyer | 1987-11-03 |
| 4630785 | Coiler | Rudolf Langeder | 1986-12-23 |
| 4611988 | Coiler-furnace unit | Franz Hirschmanner | 1986-09-16 |
| 4608014 | Coiler-furnace unit | Franz Hirschmanner | 1986-08-26 |
| 4554812 | Heat shield for a rolling mill | Franz Hirschmanner, Franz Brettbacher | 1985-11-26 |