Issued Patents All Time
Showing 25 most recent of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297735 | Centralizer for downhole probes | Aaron W. Logan, Patrick R. Derkacz | 2025-05-13 |
| 11795769 | Centralizer for downhole probes | Aaron W. Logan, Patrick R. Derkacz | 2023-10-24 |
| 11686159 | Torsion resistant gap sub | Luke Anthony Stack, Aaron W. Logan, Mojtaba Kazemi Miraki, Patrick R. Derkacz, Gavin Gaw-Wae Lee +3 more | 2023-06-27 |
| 11649720 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, David A. Switzer, Jili Liu, Mingdong Xu | 2023-05-16 |
| 11359483 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, David A. Switzer, Jili Liu, Mingdong Xu | 2022-06-14 |
| 11280437 | Sealed gap sub | Luke Anthony Stack, Aaron W. Logan, Patrick R. Derkacz, Gavin Gaw-Wae Lee, Hasan Alper Hepguvendik +4 more | 2022-03-22 |
| 11215014 | Preloadable connectors for tubing | Patrick R. Derkacz, Luke Anthony Stack, Gavin Gaw-Wae Lee, Aaron W. Logan | 2022-01-04 |
| 11213989 | Downhole probe sleeves and methods for making probe sleeves | Luke Anthony Stack, Aaron W. Logan, Patrick R. Derkacz | 2022-01-04 |
| 11105159 | Torsion resistant gap sub | Luke Anthony Stack, Aaron W. Logan, Mojtaba Kazemi Miraki, Patrick R. Derkacz, Gavin Gaw-Wae Lee +3 more | 2021-08-31 |
| 11085247 | Securing means for in-tubing probe retainer | Luke Anthony Stack, Aaron W. Logan, Patrick R. Derkacz, Kurtis West, Robert A. Harris | 2021-08-10 |
| 11073015 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, David A. Switzer, Jili Liu, Mingdong Xu | 2021-07-27 |
| 11008858 | Fluid pressure pulse generator for a telemetry tool | Gavin Gaw-Wae Lee, Aaron W. Logan | 2021-05-18 |
| 10954781 | Multi-mode control of downhole tools | Aaron W. Logan, Barry Daniel Buternowsky, Steven D. McLawchlin, David A. Switzer, Kurtis West | 2021-03-23 |
| 10934784 | Seal and sacrificial components for a drill string | Patrick R. Derkacz, Aaron W. Logan, Angelica J. B. Francoeur, Jason B. Wackett, Danick R. J. Normandeau +1 more | 2021-03-02 |
| 10871041 | Centralizer for downhole probes | Aaron W. Logan, Patrick R. Derkacz | 2020-12-22 |
| 10840482 | Battery coil engaging members for downhole tools | Aaron W. Logan | 2020-11-17 |
| 10837240 | Seal and sacrificial components for a drill string | Patrick R. Derkacz, Aaron W. Logan, Angelica J. B. Francoeur, Jason B. Wackett, Danick R. J. Normandeau +1 more | 2020-11-17 |
| 10753201 | Mud pulse telemetry apparatus with a pressure transducer and method of operating same | Aaron W. Logan, Jili Liu, David A. Switzer | 2020-08-25 |
| 10749149 | Battery coil engaging members for downhole tools | Aaron W. Logan | 2020-08-18 |
| 10731459 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, David A. Switzer, Jili Liu, Mingdong Xu | 2020-08-04 |
| 10729029 | Mounting and component holder apparatuses and assemblies for holding rigid components | Aaron W. Logan, Jili Liu, David A. Switzer | 2020-07-28 |
| 10662754 | Directional drilling apparatus and methods | Aaron W. Logan | 2020-05-26 |
| 10648247 | Centralizer for downhole probes | Aaron W. Logan, Patrick R. Derkacz | 2020-05-12 |
| 10641086 | Pressure compensation device for a fluid pressure pulse generating apparatus | Gavin Gaw-Wae Lee, Aaron W. Logan | 2020-05-05 |
| 10641081 | Device and method for retaining probe exterior wear sleeve | Luke Anthony Stack, Aaron W. Logan | 2020-05-05 |