Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331600 | Safety clutch system for circulation/fill-up/flowback tool | Ernst Führing | 2025-06-17 |
| 12180789 | Spiders capable of handling well components of multiple sizes | — | 2024-12-31 |
| 11441412 | Tool coupler with data and signal transfer methods for top drive | Karsten Heidecke, Ernst Fuehring, Bjoern Thiemann | 2022-09-13 |
| 10738535 | Power supply for a top drive | Frank Wern | 2020-08-11 |
| 10366507 | Optical imaging and assessment system for tong cassette positioning device | Christina Hebebrand, Frank Wern | 2019-07-30 |
| 10247246 | Tool coupler with threaded connection for top drive | — | 2019-04-02 |
| 10167671 | Power supply for a top drive | Frank Wern | 2019-01-01 |
| 10132118 | Dual torque transfer for top drive system | — | 2018-11-20 |
| 10125555 | Tubular handling tool | Karsten Heidecke, Scott McIntire, Bjoern Thiemann, John Fielding Ownby | 2018-11-13 |
| 10081991 | Modular adapter for tongs | Martin Helms, Martin Liess | 2018-09-25 |
| 10030454 | Tubular handling tool | Karsten Heidecke, Scott McIntire, Bjoern Thiemann, John Fielding Ownby | 2018-07-24 |
| 9732591 | Hydrostatic tubular lifting system | David E. Mouton, Jim Hollingsworth | 2017-08-15 |