Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5782121 | Apparatus for the inner profiling of tubes or pipes | — | 1998-07-21 |
| 5533376 | Method for preparing a tubular blank having a thick wall for a following cascade drawing operation | Rainer Hergemoeller | 1996-07-09 |
| 5524467 | Method for the inner profiling of tubes or pipes | — | 1996-06-11 |
| 4441280 | Device for centerless grinding of rotation-symmetrical surfaces on work pieces | Kurt Crott, Erich Voell | 1984-04-10 |
| 4356715 | Method and device for straightening elongated drawn round stock | Erwin Bock | 1982-11-02 |
| 4243862 | Arc cutting device with mechanical material removal | — | 1981-01-06 |