Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028613 | Valve system for drilling systems | Christof Kruse | 2011-10-04 |
| 7997167 | Clamping and breaking device | Christof Kruse | 2011-08-16 |
| 7905299 | Articulation assembly for moving a drill mast | Christof Kruse | 2011-03-15 |