Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10654084 | Rolling mill and rolling method | Mark Haverkamp | 2020-05-19 |
| 9789522 | Rolling mill and rolling method | Walter Hoeffgen, Walter KIRCHNER | 2017-10-17 |
| 9764368 | Rolling mill and rolling method | Mark Haverkamp | 2017-09-19 |
| 8904839 | Method of and rolling mill for making seamless steel pipe | Walter Hoeffgen | 2014-12-09 |
| 5927122 | Device for guiding a hollow blank | Walter Hoffgen, Manfred Peglau | 1999-07-27 |