Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9981296 | Method and device for producing an internally and externally toothed pot-shaped sheet metal part using a forming head | Norbert Ziesel | 2018-05-29 |
| 7743637 | Rolling tool with integrated drawing stage | Hans-Joachim Pieperhoff, Frank Beig, Norbert Ziesel | 2010-06-29 |
| 7540179 | Method for producing longitudinal grooves in cylindrical workpieces | Gerhard Manz, Hans-Joachim Pieperhoff | 2009-06-02 |