Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9862012 | Apparatus for forging a hollow body from a pre-perforated hollow block | Robert Koppensteiner | 2018-01-09 |
| 8166792 | Method of making a seamless hot-finished steel pipe, and device for carrying out the method | Christoph Prasser, Rolf Kümmerling, Stefan Wiedenmaier, Pierre Lefebvre, Robert Koppensteiner | 2012-05-01 |
| 6070446 | Swaging machine | Gottfried Blaimschein, Alfred Seeber | 2000-06-06 |
| 5992502 | Method of producing metallic bar stock | Gottfried Blaimschein, Otto Hein | 1999-11-30 |
| 5894755 | Forging machine | Alfred Seeber | 1999-04-20 |
| 5857378 | Method of controlling the stroke frequency of a forging machine and forging machine for carrying out the method | Alfred Seeber | 1999-01-12 |