Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970580 | Backlash-free plug-in connection for pipe lines and hose lines | Dieter Ehrke | 2018-05-15 |
| 6708548 | Device for forming an end area of a workpiece | Dieter Ehrke, Frank Runte, Martin Ziehl | 2004-03-23 |