Issued Patents 2019
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480291 | Control system for hydrocarbon recovery tools | Michael Wiedecke, Carlo Hoelterling, Frank Wern | 2019-11-19 |
| 10472906 | Apparatus and methods for tong operation | Georg Zimbelmann, Ditmar Clasen | 2019-11-12 |
| 10465457 | Tool detection and alignment for tool installation | Christina Hebebrand, Martin Liess, Frank Wern, Aicam Zouhair, John Fielding Ownby | 2019-11-05 |
| 10428602 | Top drive torque measurement device | Frank Wern, Aicam Zouhair, Martin Liess, Christina Hebebrand | 2019-10-01 |
| 10337264 | Movable tong assembly | Jan Rothe, Georg Zimbelmann, Martin Liess | 2019-07-02 |
| 10309166 | Genset for top drive unit | Frank Wern, John Fielding Ownby, Aicam Zouhair, Martin Liess, Christina Hebebrand | 2019-06-04 |
| 10253581 | Electronic control system for a tubular handling tool | Michael Wiedecke, Karsten Heidecke, Martin Liess, Martin Helms, John D. Hooker, II | 2019-04-09 |