Assignee
HOHL ANDREAS
DE·14 granted patents·35 citations·filing 2013–2021
Top patents by PatentIndex Score
14 records- 0192US10746013B2Downhole test signals for identification of operational drilling parametersHOHL ANDREAS·Filed 2015·Granted Aug 18, 2020·5 cites·21 claims
- 0287US11199242B2Bit support assembly incorporating damper for high frequency torsional oscillationHOHL ANDREAS·Filed 2019·Granted Dec 14, 2021·6 cites·20 claims
- 0383US11448015B2Dampers for mitigation of downhole tool vibrationsHOHL ANDREAS·Filed 2019·Granted Sep 20, 2022·3 cites·22 claims
- 0483US9976405B2Method to mitigate bit induced vibrations by intentionally modifying mode shapes of drill strings by mass or stiffness changesHOHL ANDREAS·Filed 2013·Granted May 22, 2018·9 cites·19 claims
- 0580US11136834B2Dampers for mitigation of downhole tool vibrationsHOHL ANDREAS·Filed 2019·Granted Oct 5, 2021·3 cites·20 claims
- 0674US10364663B2Downhole operational modal analysisHOHL ANDREAS·Filed 2016·Granted Jul 30, 2019·3 cites·14 claims
- 0773US10822939B2Normalized status variables for vibration management of drill stringsHOHL ANDREAS·Filed 2017·Granted Nov 3, 2020·2 cites·19 claims
- 0871US9435187B2Method to predict, illustrate, and select drilling parameters to avoid severe lateral vibrationsHOHL ANDREAS·Filed 2013·Granted Sep 6, 2016·4 cites·21 claims
- 0954US11021945B2Method to mitigate bit induced vibrations by intentionally modifying mode shapes of drill strings by mass or stiffness changesHOHL ANDREAS·Filed 2018·Granted Jun 1, 2021·0 cites·18 claims
- 1051US10830038B2Borehole communication using vibration frequencyHOHL ANDREAS·Filed 2019·Granted Nov 10, 2020·0 cites·20 claims
- 1148US11668179B2Drilling evaluation based on coupled torsional vibrationsHOHL ANDREAS·Filed 2021·Granted Jun 6, 2023·0 cites·21 claims
- 1248US10982526B2Estimation of maximum load amplitudes in drilling systems independent of sensor positionHOHL ANDREAS·Filed 2019·Granted Apr 20, 2021·0 cites·20 claims
- 1342US11598195B2Statistical approach to incorporate uncertainties of parameters in simulation results and stability analysis for earth drillingHOHL ANDREAS·Filed 2014·Granted Mar 7, 2023·0 cites·20 claims
- 1442US9000941B2Alternating frequency time domain approach to calculate the forced response of drill stringsHOHL ANDREAS·Filed 2013·Granted Apr 7, 2015·0 cites·24 claims
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