Hoyle; David C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoyle; David C..The latest application filed is for "downhole transducer assemblies and pressure range control therein".
- Hoyle; David C. - Salt Lake City UT
- Hoyle; David C. - Saint-Cloud FR
- Hoyle; David C. - Houston TX
- Hoyle; David C. - N/A MI
| Patent | Date |
|---|---|
| Pressure range control in a downhole transducer assembly Grant 11,255,143 - Marshall , et al. February 22, 2 | 2022-02-22 |
| Downhole Transducer Assemblies And Pressure Range Control Therein App 20220034179 - Parkin; Edward George ; et al. | 2022-02-03 |
| Downhole Steering System And Methods App 20210404260 - Marshall; Jonathan D. ; et al. | 2021-12-30 |
| Superhard material enhanced choke cage Grant 11,125,049 - Hoyle , et al. September 21, 2 | 2021-09-21 |
| Downhole steering system and methods Grant 11,118,408 - Marshall , et al. September 14, 2 | 2021-09-14 |
| Controlling Fluid Flow Through A Valve App 20210172296 - Hall; David R. ; et al. | 2021-06-10 |
| Tiling For Downhole Tool App 20210148406 - Hoyle; David C. ; et al. | 2021-05-20 |
| Pressure Range Control In A Downhole Transducer Assembly App 20210131204 - Marshall; Jonathan D. ; et al. | 2021-05-06 |
| Systems and methods for directing fluid flow Grant 10,927,647 - Hall , et al. February 23, 2 | 2021-02-23 |
| Marking And Sensing A Borehole Wall App 20200392829 - Marshall; Jonathan D. ; et al. | 2020-12-17 |
| Downhole Steering System And Methods App 20200141188 - Marshall; Jonathan D. ; et al. | 2020-05-07 |
| Superhard Material Enhanced Choke Cage App 20190390531 - Hoyle; David C. ; et al. | 2019-12-26 |
| Systems And Methods For Directing Fluid Flow App 20190345796 - Hall; David R. ; et al. | 2019-11-14 |
| Well logging apparatus comprising a measuring pad and a combinaton device including such apparatus Grant 5,596,142 - Delpuech , et al. January 21, 1 | 1997-01-21 |
| Combination well logging device Grant 5,528,556 - Seeman , et al. June 18, 1 | 1996-06-18 |
| Monopole transmitter for a sonic well tool Grant 5,043,952 - Hoyle , et al. August 27, 1 | 1991-08-27 |
| Sonic well tool transmitter receiver array including an attenuation and delay apparatus Grant 5,036,945 - Hoyle , et al. August 6, 1 | 1991-08-06 |
| Sonic well logging tool longitudinal wave attenuator Grant 4,872,526 - Wignall , et al. October 10, 1 | 1989-10-10 |
| Sonic well logging tool transmitter Grant 4,862,991 - Hoyle , et al. September 5, 1 | 1989-09-05 |
| Ankle exercise device Grant 4,337,939 - Hoyle , et al. July 6, 1 | 1982-07-06 |
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