Issued Patents All Time
Showing 26–50 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10287871 | Axially-supported downhole probes | Aaron W. Logan, Justin C. Logan, Patrick R. Derkacz | 2019-05-14 |
| 10280741 | Optimizing downhole data communication with at bit sensors and nodes | Patrick R. Derkacz, Aaron W. Logan, Justin C. Logan, Jili Liu, Robert A. Harris +2 more | 2019-05-07 |
| 10253621 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, Jili Liu, Justin C. Logan, Mingdong Xu | 2019-04-09 |
| 10233747 | Optimizing electromagnetic telemetry transmissions | Jili Liu, Mingdong Xu, Aaron W. Logan, Monica E. Varga, Mojtaba Kazemi Miraki | 2019-03-19 |
| 10215021 | Downhole electromagnetic and mud pulse telemetry apparatus | Jili Liu, Aaron W. Logan, Mingdong Xu | 2019-02-26 |
| 10214971 | Apparatus for angular alignment of downhole sensors with high side in directional drilling | Aaron W. Logan, Patrick R. Derkacz, Justin C. Logan | 2019-02-26 |
| 10202844 | Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location | Jili Liu, Mingdong Xu, Aaron W. Logan | 2019-02-12 |
| 10196892 | Detection of downhole data telemetry signals | Aaron W. Logan, Daniel W. Ahmoye, Jili Liu | 2019-02-05 |
| 10151196 | Downhole telemetry | Aaron W. Logan, Jili Liu, Justin C. Logan | 2018-12-11 |
| 10119393 | Optimizing downhole data communication with at bit sensors and nodes | Patrick R. Derkacz, Aaron W. Logan, Justin C. Logan, Jili Liu, Robert A. Harris +2 more | 2018-11-06 |
| 10113412 | Axially-supported downhole probes | Aaron W. Logan, Justin C. Logan | 2018-10-30 |
| 10066475 | Back up directional and inclination sensors and method of operating same | Aaron W. Logan, Jili Liu, Mojtaba Kazemi Miraki | 2018-09-04 |
| 10066481 | Downhole electromagnetic and mud pulse telemetry apparatus | Jili Liu, Aaron W. Logan, Mingdong Xu | 2018-09-04 |
| 10006280 | Downhole pocket electronics | Aaron W. Logan | 2018-06-26 |
| 9995134 | Electromagnetic pulse downhole telemetry | Jili Liu, Aaron W. Logan, Mingdong Xu | 2018-06-12 |
| 9988897 | Optimizing electromagnetic telemetry transmissions | Jili Liu, Mingdong Xu, Aaron W. Logan, Monica E. Varga, Mojtaba Kazemi Miraki | 2018-06-05 |
| 9988896 | Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location | Jili Liu, Mingdong Xu, Aaron W. Logan | 2018-06-05 |
| 9988855 | Methods and apparatus for generating electromagnetic telemetry signals | Aaron W. Logan, Daniel W. Ahmoye, Justin C. Logan, Patrick R. Derkacz, Mojtaba Kazemi Miraki | 2018-06-05 |
| 9976414 | Downhole probe assembly with bluetooth device | Jili Liu, Patrick R. Derkacz, Aaron W. Logan | 2018-05-22 |
| 9955343 | Wireless initialization of electronic devices for first time use | Riyadth Al-Kazily | 2018-04-24 |
| 9951611 | Downhole telemetry | Aaron W. Logan, Jili Liu, Justin C. Logan | 2018-04-24 |
| 9951603 | Methods and apparatus for downhole probes | Jili Liu, Patrick R. Derkacz, Aaron W. Logan, Justin C. Logan | 2018-04-24 |
| 9932776 | Pinned electromagnetic telemetry gap sub assembly | Aaron W. Logan, Justin C. Logan, Patrick R. Derkacz | 2018-04-03 |
| 9920622 | Transmitting data across electrically insulating gaps in a drill string | Aaron W. Logan, Jili Liu, Mojtaba Kazemi Miraki | 2018-03-20 |
| 9915146 | Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating same | Aaron W. Logan, Justin C. Logan | 2018-03-13 |