Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7082799 | Drive system for a rolling mill | Michael Baensch | 2006-08-01 |
| 6205833 | Cold pilger rolling tool for producing internally ribbed tubes | Peter Kalkenings | 2001-03-27 |
| 6023831 | Process for producing metal-sheathed strands, especially glass fiber cables | — | 2000-02-15 |
| 5921128 | Method and apparatus for cold rolling tubes | Jurgen Schmidt | 1999-07-13 |
| 5916320 | Method for manufacturing tubes using the cold pilger rolling method | Michael Baensch | 1999-06-29 |
| 5778718 | Process for rolling tubes | Michael Baensch | 1998-07-14 |
| 5771727 | Process and device for straight-drawing long drawing material in multiple steps | Peter Kalkenings, Karl Hausler | 1998-06-30 |
| 5125253 | Cold pilgrim rolling | Josef Gerretz | 1992-06-30 |
| 5022250 | Method of pilgrim step rolling | Josef Gerretz | 1991-06-11 |
| 4966022 | Method and apparatus for lubricating the mandrel upon the manufacture of seamless tubes by the cold pilger process | — | 1990-10-30 |
| 4777995 | Making a hollow of rotational symmetry | Wolfgang Reichelt, Peter Voss-Spilker, Karl-Heinz Haeusler | 1988-10-18 |
| 4445354 | Procedure and equipment for the manufacture of pipes with external and internal diameters varying in stages | Gerd Pfeiffer, Fritz Zeunert | 1984-05-01 |
| 4386512 | Pilger tube rolling mill | Klaus Rehag | 1983-06-07 |