Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10443374 | Electromagnetic communications system and method for a drilling operation | David A. Switzer, Jili Liu, Mojtaba Kazemi Miraki, Aaron W. Logan | 2019-10-15 |
| 10253621 | Integrated downhole system with plural telemetry subsystems | Aaron W. Logan, David A. Switzer, Jili Liu, Justin C. Logan | 2019-04-09 |
| 10233747 | Optimizing electromagnetic telemetry transmissions | Jili Liu, Aaron W. Logan, David A. Switzer, Monica E. Varga, Mojtaba Kazemi Miraki | 2019-03-19 |
| 10215021 | Downhole electromagnetic and mud pulse telemetry apparatus | David A. Switzer, Jili Liu, Aaron W. Logan | 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, Jili Liu, Aaron W. Logan | 2019-02-12 |