Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10639690 | Preparing a tube end for rod drawing | Hardy JUNGEN | 2020-05-05 |
| 10239103 | Material testing method, use of a drawing die arrangement, and drawing die arrangement | Steffen Sigloch | 2019-03-26 |
| 9994965 | Method and system for the production of semi-finished copper products as well as method and apparatus for application of a wash | Michael Schwarze, Hardy JUNGEN | 2018-06-12 |
| 9616476 | Device and method for rolling of pipe blanks | — | 2017-04-11 |
| 7096706 | Drawing apparatus and method of operating same | Hermann-Josef Klingen, Norbert Zillekens | 2006-08-29 |
| 7024899 | Roll assembly for a rolling mill | Herrmann-Josef Klingen, Lothar Luckhof | 2006-04-11 |
| 6976377 | Method of and apparatus for producing tubes of metal | Hermann-Josef Klingen, Norbert Zillekens | 2005-12-20 |
| 6684675 | Drawing machine | Hermann-Josef Klingen, Norbert Zillekens, Ralf Bonsels | 2004-02-03 |