Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8079796 | Apparatus for delivering a tubular to a wellbore | — | 2011-12-20 |
| 8047283 | Torque sub for use with top drive | Michael Jahn, Karsten Heidecke | 2011-11-01 |
| 7967073 | Control line running system | Doyle Frederic Boutwell, Jr., Karsten Heidecke, Kevin Wood | 2011-06-28 |
| 7921750 | Power tong frames | — | 2011-04-12 |
| 7874352 | Apparatus for gripping a tubular on a drilling rig | Albert C. Odell, II, Richard L. Giroux, Tuong Thanh Le, Gary Thompson, Karsten Heidecke +3 more | 2011-01-25 |
| 7861618 | Wrenching tong | Andreas Carlsson, Jorg Erich Schulze-Beckinhausen | 2011-01-04 |