Inventor · disambiguated record
Bradley David Dunbar
Also filed as: DUNBAR BRADLEY · DUNBAR BRADLEY D · DUNBAR BRADLEY DAVID
23 granted patents·8 pending applications·28 citations·filing 2015–2025
92Inventor score
Files withHALLIBURTON ENERGY SERVICES INC31
Top patents by PatentIndex Score
31 records- 0187US11708755B2Force measurements about secondary contacting structuresHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Jul 25, 2023·2 cites·15 claims
- 0286US11619123B2Dual synchronized measurement puck for downhole forcesHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Apr 4, 2023·4 cites·19 claims
- 0385US10280688B2Rotating superhard cutting elementHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted May 7, 2019·7 cites·20 claims
- 0478US10920500B1Adjustable downhole nozzleHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Feb 16, 2021·2 cites·18 claims
- 0577US10711527B2Drill bit and method for casing while drillingHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Jul 14, 2020·3 cites·20 claims
- 0673US10472897B2Adjustable depth of cut control for a downhole drilling toolHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Nov 12, 2019·2 cites·19 claims
- 0773US10400571B2Drilling system drag member for simultaneous drilling and reamingHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Sep 3, 2019·2 cites·17 claims
- 0871US12270255B1Multiple selectable pressure driven devices on a drill bitHALLIBURTON ENERGY SERVICES INC·Filed 2024·Granted Apr 8, 2025·0 cites·20 claims
- 0971US11162350B2Earth-boring drill bit with mechanically attached strain puckHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Nov 2, 2021·1 cites·20 claims
- 1070US2025223871A1Multiple selectable pressure driven devices on a drill bitHALLIBURTON ENERGY SERVICES INC·Filed 2025·Application pending·0 cites
- 1169US10822945B1Storing data based on a value associated with an ambient condition downhole in a borehole of a geologic formationHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Nov 3, 2020·1 cites·20 claims
- 1268US12203357B2Systems and methods for drilling a borehole using depth of cut measurementsHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted Jan 21, 2025·1 cites·18 claims
- 1367US11293232B2Drill bit with adjustable inner gauge configurationHALLIBURTON ENERGY SERVICES INC·Filed 2017·Granted Apr 5, 2022·1 cites·19 claims
- 1467US10487602B2Hydraulic control of downhole toolsHALLIBURTON ENERGY SERVICES INC·Filed 2015·Granted Nov 26, 2019·2 cites·19 claims
- 1565US12252977B2Force measurements about secondary contacting structuresHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Mar 18, 2025·0 cites·16 claims
- 1663US12078558B1Mechanically attached strain deviceHALLIBURTON ENERGY SERVICES INC·Filed 2023·Granted Sep 3, 2024·0 cites·20 claims
- 1756US11761323B2Floating ball pressure sensorHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Sep 19, 2023·0 cites·23 claims
- 1856US2025179877A1Cutting element including one or more asymmetric relief surfacesHALLIBURTON ENERGY SERVICES INC·Filed 2024·Application pending·0 cites
- 1954US12264577B2Downhole pressure calculation based on strain gauge measurementsHALLIBURTON ENERGY SERVICES INC·Filed 2021·Granted Apr 1, 2025·0 cites·20 claims
- 2054US11748531B2Mitigation of high frequency coupled vibrations in PDC bits using in-cone depth of cut controllersHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Sep 5, 2023·0 cites·15 claims
- 2152US12188301B2Drill bit cutter with shaped portion matched to kerfHALLIBURTON ENERGY SERVICES INC·Filed 2022·Granted Jan 7, 2025·0 cites·19 claims
- 2252US11933157B2System and method for communicating with a downhole toolHALLIBURTON ENERGY SERVICES INC·Filed 2019·Granted Mar 19, 2024·0 cites·15 claims
- 2352US11649681B2Fixed-cutter drill bits with reduced cutting arc length on innermost cutterHALLIBURTON ENERGY SERVICES INC·Filed 2018·Granted May 16, 2023·0 cites·20 claims
- 2451US2025034983A1Critical downhole torque of a drilling system and bit design to mitigate hftoHALLIBURTON ENERGY SERVICES INC·Filed 2023·Application pending·0 cites
- 2549US2024418076A1Continuous taring for downhole strainHALLIBURTON ENERGY SERVICES INC·Filed 2023·Application pending·0 cites
- 2649US2025137330A1Active torsional isolator and damperHALLIBURTON ENERGY SERVICES INC·Filed 2023·Application pending·0 cites
- 2748US2025305410A1Indirect force measurement on a moveable element in a downhole toolHALLIBURTON ENERGY SERVICES INC·Filed 2025·Application pending·0 cites
- 2847US11687690B2Mitigation of cutting-induced stick-slip vibration during drilling with drill bits having depth of cut controllersHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jun 27, 2023·0 cites·19 claims
- 2944US2023108781A1Redundancy enhanced removal of pressure-effect offset for drill bit strain gauge measurementsHALLIBURTON ENERGY SERVICES INC·Filed 2021·Application pending·0 cites
- 3042US2024193316A1Recursive simulated execution of downhole cutting structure performance after drillingHALLIBURTON ENERGY SERVICES INC·Filed 2022·Application pending·0 cites
- 3136US11692428B2Downhole dynamometerHALLIBURTON ENERGY SERVICES INC·Filed 2020·Granted Jul 4, 2023·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →