Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7810618 | Vibration generator | Hans-Jürgen Weber | 2010-10-12 |
| 7735580 | Device for charging a drilling device and drilling apparatus | Michael Kraus, Albert Clemens | 2010-06-15 |
| 7631704 | Drill frame with tool magazine | Thomas Wurm, Albert Clemens | 2009-12-15 |
| 7422073 | Ground working implement and method for introducing a working element into the ground | — | 2008-09-09 |