Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6260396 | 2-Roll piercing mill and method of producing hollow blocks from high alloy steels | Werner Henze | 2001-07-17 |
| 6089066 | Process for the production of seamless tubes | Ettore Cernuschi, Gerhard Kulessa, Thomas Leisten, Walter Randerath, Frank Salomon | 2000-07-18 |
| 5649440 | Method for calibration of assel rollers | Gheorghe Arnautu, Karl Hausler, Gunther Voswinckel, Karl-Helmut Wengenroth | 1997-07-22 |
| 5642638 | Process for the rolling of hallow ingots on a assel rolling mill | Ingo Baade | 1997-07-01 |