| 10919726 |
Wireline system and methods of using same |
Thorsten Upmeier, Christof Kruse, Rene Maennel |
2021-02-16 |
| 10384907 |
Wireline system and methods of using same |
Thorsten Upmeier, Christof Kruse, Rene Maennel |
2019-08-20 |
| 8408328 |
Methods of controllling hydraulic motors |
Christof Kruse |
2013-04-02 |
| 8172002 |
Methods of controlling hydraulic motors |
Christof Kruse |
2012-05-08 |
| 8118113 |
Hydraulic control system for drilling systems |
Chrisof Kruse |
2012-02-21 |
| 8118118 |
Modular rotary drill head |
Christof Kruse, Hans-Juergen Wahl |
2012-02-21 |
| 8113299 |
Drill mast articulation assembly |
Christof Kruse |
2012-02-14 |
| 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 |
| 7779932 |
Drill-string shock absorbers |
Markus Hartung, Christof Kruse |
2010-08-24 |
| 7770668 |
Modular rotary drill head |
Christof Kruse, Hans-Juergen Wahl |
2010-08-10 |