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Patent applications and USPTO patent grants for Tergeist; Mathias.The latest application filed is for "optimized placement of vibration damper tools through mode-shape tuning".
Patent | Date |
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Method to mitigate bit induced vibrations by intentionally modifying mode shapes of drill strings by mass or stiffness changes Grant 11,021,945 - Hohl , et al. June 1, 2 | 2021-06-01 |
Optimized Placement Of Vibration Damper Tools Through Mode-shape Tuning App 20210079738 - Peters; Volker ;   et al. | 2021-03-18 |
Method To Mitigate Bit Induced Vibrations By Intentionally Modifying Mode Shapes Of Drill Strings By Mass Or Stiffness Changes App 20180252089 - Hohl; Andreas ;   et al. | 2018-09-06 |
Method to mitigate bit induced vibrations by intentionally modifying mode shapes of drill strings by mass or stiffness changes Grant 9,976,405 - Hohl , et al. May 22, 2 | 2018-05-22 |
Method To Mitigate Bit Induced Vibrations By Intentionally Modifying Mode Shapes Of Drill Strings By Mass Or Stiffness Changes App 20150122547 - Hohl; Andreas ;   et al. | 2015-05-07 |
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