Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10280741 | Optimizing downhole data communication with at bit sensors and nodes | Aaron W. Logan, Justin C. Logan, Jili Liu, David A. Switzer, Robert A. Harris +2 more | 2019-05-07 |
| 10215020 | Mud motor with integrated MWD system | Aaron W. Logan, Justin C. Logan | 2019-02-26 |
| 10214971 | Apparatus for angular alignment of downhole sensors with high side in directional drilling | Aaron W. Logan, Justin C. Logan, David A. Switzer | 2019-02-26 |
| 10167683 | Centralizer for downhole probes | Aaron W. Logan, Justin C. Logan | 2019-01-01 |
| 10156102 | Gap assembly for EM data telemetry | Aaron W. Logan, Justin C. Logan | 2018-12-18 |
| 10125904 | Sealing gasket and method for creating same | Hasan Alper Hepguvendik, Aaron W. Logan, Justin C. Logan, Gavin Gaw-Wae Lee, Luke Anthony Stack +2 more | 2018-11-13 |
| 10119393 | Optimizing downhole data communication with at bit sensors and nodes | Aaron W. Logan, Justin C. Logan, Jili Liu, David A. Switzer, Robert A. Harris +2 more | 2018-11-06 |
| 10078154 | Downhole system with integrated backup sensors | Aaron W. Logan, Justin C. Logan, Barry Daniel Buternowsky, Mojtaba Kazemi Miraki | 2018-09-18 |
| 10030501 | Downhole probe centralizer | Aaron W. Logan, Justin C. Logan | 2018-07-24 |
| 10006257 | Centralizer for downhole probes | Aaron W. Logan, Justin C. Logan | 2018-06-26 |
| 9988855 | Methods and apparatus for generating electromagnetic telemetry signals | Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Mojtaba Kazemi Miraki | 2018-06-05 |
| 9976414 | Downhole probe assembly with bluetooth device | David A. Switzer, Jili Liu, Aaron W. Logan | 2018-05-22 |
| 9976415 | Electromagnetic telemetry system with compensation for drilling fluid characteristics | Justin C. Logan, Aaron W. Logan | 2018-05-22 |
| 9951603 | Methods and apparatus for downhole probes | Jili Liu, Aaron W. Logan, Justin C. Logan, David A. Switzer | 2018-04-24 |
| 9945227 | Mixed-mode telemetry systems and methods | Justin C. Logan, Mojtaba Kazemi Miraki, Aaron W. Logan, Daniel W. Ahmoye, Barry Daniel Buternowsky | 2018-04-17 |
| 9932776 | Pinned electromagnetic telemetry gap sub assembly | Aaron W. Logan, Justin C. Logan, David A. Switzer | 2018-04-03 |
| 9909369 | Electromagnetic telemetry gap sub assembly with insulating collar | Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Mojtaba Kazemi Miraki | 2018-03-06 |
| 9874083 | Downhole probes and systems | Aaron W. Logan, Justin C. Logan, David A. Switzer | 2018-01-23 |
| 9863239 | Selecting transmission frequency based on formation properties | Aaron W. Logan, Justin C. Logan | 2018-01-09 |
| 9850751 | Axially-supported downhole probes | Aaron W. Logan, Justin C. Logan, David A. Switzer | 2017-12-26 |
| 9850722 | Universal downhole probe system | Aaron W. Logan, Justin C. Logan, David A. Switzer | 2017-12-26 |
| 9840879 | Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling | Aaron W. Logan, Justin C. Logan, David A. Switzer | 2017-12-12 |
| 9670771 | Methods and apparatus for generating electromagnetic telemetry signals | Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Mojtaba Kazemi Miraki | 2017-06-06 |
| 9587441 | Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement | Aaron W. Logan, David A. Switzer, Justin C. Logan, Daniel W. Ahmoye, Darcy A. Downs +1 more | 2017-03-07 |
| 9523246 | Centralizer for downhole probes | Aaron W. Logan, Justin C. Logan | 2016-12-20 |