Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11208853 | Dampers for mitigation of downhole tool vibrations and vibration isolation device for downhole bottom hole assembly | Volker Peters, Dennis Heinisch, Hanno Reckmann, Sasa Mihajlovic | 2021-12-28 | $84,509,000 |
| 11199242 | Bit support assembly incorporating damper for high frequency torsional oscillation | Sasa Mihajlovic | 2021-12-14 | $13,293,000 |
| 11136834 | Dampers for mitigation of downhole tool vibrations | Sasa Mihajlovic | 2021-10-05 | $25,385,000 |
| 11021945 | Method to mitigate bit induced vibrations by intentionally modifying mode shapes of drill strings by mass or stiffness changes | Mathias Tergeist, Hatem Oueslati, Christian Herbig, Jayesh Jain, Hanno Reckmann +1 more | 2021-06-01 | $28,532,000 |
| 10982526 | Estimation of maximum load amplitudes in drilling systems independent of sensor position | — | 2021-04-20 | $26,104,000 |