Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359483 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, David A. Switzer, Justin C. Logan, Mingdong Xu | 2022-06-14 |
| 11073015 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, David A. Switzer, Justin C. Logan, Mingdong Xu | 2021-07-27 |
| 10753201 | Mud pulse telemetry apparatus with a pressure transducer and method of operating same | Aaron W. Logan, David A. Switzer, Justin C. Logan | 2020-08-25 |
| 10731459 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, David A. Switzer, Justin C. Logan, Mingdong Xu | 2020-08-04 |
| 10570726 | Detection of downhole data telemetry signals | Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer | 2020-02-25 |
| 10419565 | Method, device and system for pushing information | — | 2019-09-17 |
| 10253621 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, David A. Switzer, Justin C. Logan, Mingdong Xu | 2019-04-09 |
| 10215021 | Downhole electromagnetic and mud pulse telemetry apparatus | David A. Switzer, Aaron W. Logan, Mingdong Xu | 2019-02-26 |
| 10202844 | Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location | David A. Switzer, Mingdong Xu, Aaron W. Logan | 2019-02-12 |
| 10196892 | Detection of downhole data telemetry signals | Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer | 2019-02-05 |
| 10151196 | Downhole telemetry | Aaron W. Logan, David A. Switzer, Justin C. Logan | 2018-12-11 |
| 10113417 | Apparatuses and methods for evaluating systems used in electromagnetic telemetry transmissions | Ming Zhao | 2018-10-30 |
| 10066481 | Downhole electromagnetic and mud pulse telemetry apparatus | David A. Switzer, Aaron W. Logan, Mingdong Xu | 2018-09-04 |
| 9995134 | Electromagnetic pulse downhole telemetry | Aaron W. Logan, Mingdong Xu, David A. Switzer | 2018-06-12 |
| 9988896 | Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location | David A. Switzer, Mingdong Xu, Aaron W. Logan | 2018-06-05 |
| 9951611 | Downhole telemetry | Aaron W. Logan, David A. Switzer, Justin C. Logan | 2018-04-24 |
| 9903198 | Downhole electromagnetic and mud pulse telemetry apparatus | David A. Switzer, Aaron W. Logan, Mingdong Xu | 2018-02-27 |
| 9828854 | Mud pulse telemetry apparatus with a pressure transducer and method of operating same | Aaron W. Logan, David A. Switzer, Justin C. Logan | 2017-11-28 |
| 9828852 | Fluid pressure pulse generator and method of using same | Aaron W. Logan, David A. Switzer, Justin C. Logan | 2017-11-28 |
| 9787789 | Method, device and system for pushing information | — | 2017-10-10 |
| 9771792 | Method and apparatus for multi-channel downhole electromagnetic telemetry | Mingdong Xu, David A. Switzer, Aaron W. Logan | 2017-09-26 |
| 9752429 | Downhole electromagnetic and mud pulse telemetry apparatus | David A. Switzer, Aaron W. Logan, Mingdong Xu | 2017-09-05 |
| 9732608 | Downhole telemetry | Aaron W. Logan, David A. Switzer, Justin C. Logan | 2017-08-15 |
| 9714569 | Mud pulse telemetry apparatus with a pressure transducer and method of operating same | Aaron W. Logan, David A. Switzer, Justin C. Logan | 2017-07-25 |
| 9664037 | Detection of downhole data telemetry signals | Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer | 2017-05-30 |