Issued Patents All Time
Showing 26–50 of 141 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10731459 | Integrated downhole system with plural telemetry subsystems | David A. Switzer, Jili Liu, Justin C. Logan, Mingdong Xu | 2020-08-04 |
| 10729029 | Mounting and component holder apparatuses and assemblies for holding rigid components | Jili Liu, David A. Switzer, Justin C. Logan | 2020-07-28 |
| 10704384 | Downhole reception and transmission of electromagnetic data telemetry signals | Alexander Down, Theunis Van Schalkwyk, Rostyslav Kuchma, Mojtaba Kazemi Miraki | 2020-07-07 |
| 10662754 | Directional drilling apparatus and methods | Justin C. Logan | 2020-05-26 |
| 10648247 | Centralizer for downhole probes | Justin C. Logan, Patrick R. Derkacz | 2020-05-12 |
| 10641086 | Pressure compensation device for a fluid pressure pulse generating apparatus | Gavin Gaw-Wae Lee, Justin C. Logan | 2020-05-05 |
| 10641081 | Device and method for retaining probe exterior wear sleeve | Luke Anthony Stack, Justin C. Logan | 2020-05-05 |
| 10637427 | Mutually induced filters | Sunil Kapoor, Hyungjoon Kim, Yaswanth Rangineni, Karl Leeser | 2020-04-28 |
| 10598000 | Methods and apparatus for downhole probes | Jili Liu, Patrick R. Derkacz, Justin C. Logan, David A. Switzer | 2020-03-24 |
| 10570726 | Detection of downhole data telemetry signals | Daniel W. Ahmoye, David A. Switzer, Jili Liu | 2020-02-25 |
| 10563503 | Transmitting data across electrically insulating gaps in a drill string | David A. Switzer, Jili Liu, Mojtaba Kazemi Miraki | 2020-02-18 |
| 10533413 | Method and apparatus for determining rotor position in a fluid pressure pulse generator | Justin C. Logan | 2020-01-14 |
| 10513892 | Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling | Patrick R. Derkacz, Justin C. Logan, David A. Switzer | 2019-12-24 |
| 10508538 | Fluid pressure pulse generator for a downhole telemetry tool | Luke Anthony Stack, Justin C. Logan, Gavin Gaw-Wae Lee | 2019-12-17 |
| 10494879 | Universal downhole probe system | Justin C. Logan, David A. Switzer, Patrick R. Derkacz | 2019-12-03 |
| 10473804 | Seal and seal assembly for a fluid pressure pulse generating tool | Gavin Gaw-Wae Lee, Justin C. Logan | 2019-11-12 |
| 10443374 | Electromagnetic communications system and method for a drilling operation | David A. Switzer, Jili Liu, Mingdong Xu, Mojtaba Kazemi Miraki | 2019-10-15 |
| 10422921 | Downhole system with integrated backup sensors | Patrick R. Derkacz, Justin C. Logan, Barry Daniel Buternowsky, Mojtaba Kazemi Miraki | 2019-09-24 |
| 10415377 | Fluid pressure pulse generator and flow bypass sleeve for a telemetry tool | Gavin Gaw-Wae Lee, Luke Anthony Stack | 2019-09-17 |
| 10400520 | Electromagnetic telemetry gap sub assembly with insulating collar | Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Patrick R. Derkacz, Mojtaba Kazemi Miraki | 2019-09-03 |
| 10400585 | Downhole reception and transmission of electromagnetic data telemetry signals | Alexander Down, Theunis Van Schalkwyk, Rostyslav Kuchma, Mojtaba Kazemi Miraki | 2019-09-03 |
| 10392928 | At-surface communication with downhole tools | Robin Cody ROBSON, Kurtis West, Barry Daniel Buternowsky | 2019-08-27 |
| 10358906 | Downhole probe centralizer | Justin C. Logan, Patrick R. Derkacz | 2019-07-23 |
| 10352151 | Downhole electronics carrier | Patrick R. Derkacz, Justin C. Logan | 2019-07-16 |
| 10352111 | Drill collar with integrated probe centralizer | Justin C. Logan, Patrick R. Derkacz, David A. Switzer | 2019-07-16 |