Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11873538 | Cooling device for seamless steel pipes | Torsten Müller, Waldemar Vogel, Stefan Ernst | 2024-01-16 |
| 11745235 | Method and device for controlling a stretch reducing rolling mill for wall thickness compensation | Alexander Gohr | 2023-09-05 |
| 11648597 | Wall thickness monitoring while stretch-reducing tubes | Alexander Gohr | 2023-05-16 |
| 10632514 | Method and apparatus for making seamless pipe | Hubert Strank, Helge DAEHNDEL | 2020-04-28 |
| 10166583 | Process for hot-rolling metallic hollow bodies and corresponding hot-rolling mill | Hans-Joachim Pehle | 2019-01-01 |
| 9833820 | Deoxidation of cross-rolled hollow blocks | — | 2017-12-05 |
| 6065320 | Caliber contour in a rolling mill roller for tubes | Winfried Braun | 2000-05-23 |
| 6047578 | Multi-stand mandrel-free stretch reducing mill | — | 2000-04-11 |
| 5816092 | Roll pass design for a pipe reducing rolling mill | Hans-Joachim Pehle | 1998-10-06 |