Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12311453 | Internal helical broaching tool | — | 2025-05-27 |
| 7338235 | Internal broach | Norbert Weghaus, Otto Pfitzer | 2008-03-04 |
| 6918716 | Internal broach | Norbert Weghaus | 2005-07-19 |
| 6409442 | Vertical internal push broaching machine | Thomas Grigutsch | 2002-06-25 |
| 5833411 | Vertical broaching machine | Herbert Holstein, Rudolf Dotsch | 1998-11-10 |