PD

Patrick R. Derkacz

EE Evolution Engineering: 47 patents #4 of 37Top 15%
Overall (All Time): #53,766 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 25 most recent of 50 patents

Patent #TitleCo-InventorsDate
12297735 Centralizer for downhole probes Aaron W. Logan, Justin C. Logan 2025-05-13
11795769 Centralizer for downhole probes Aaron W. Logan, Justin C. Logan 2023-10-24
11686159 Torsion resistant gap sub Luke Anthony Stack, Aaron W. Logan, Justin C. Logan, Mojtaba Kazemi Miraki, Gavin Gaw-Wae Lee +3 more 2023-06-27
11280437 Sealed gap sub Luke Anthony Stack, Aaron W. Logan, Justin C. Logan, Gavin Gaw-Wae Lee, Hasan Alper Hepguvendik +4 more 2022-03-22
11215014 Preloadable connectors for tubing Justin C. Logan, 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, Justin C. Logan 2022-01-04
11105159 Torsion resistant gap sub Luke Anthony Stack, Aaron W. Logan, Justin C. Logan, Mojtaba Kazemi Miraki, Gavin Gaw-Wae Lee +3 more 2021-08-31
11085247 Securing means for in-tubing probe retainer Luke Anthony Stack, Aaron W. Logan, Justin C. Logan, Kurtis West, Robert A. Harris 2021-08-10
10934784 Seal and sacrificial components for a drill string Justin C. Logan, 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, Justin C. Logan 2020-12-22
10837240 Seal and sacrificial components for a drill string Justin C. Logan, Aaron W. Logan, Angelica J. B. Francoeur, Jason B. Wackett, Danick R. J. Normandeau +1 more 2020-11-17
10648247 Centralizer for downhole probes Aaron W. Logan, Justin C. Logan 2020-05-12
10598000 Methods and apparatus for downhole probes Jili Liu, Aaron W. Logan, Justin C. Logan, David A. Switzer 2020-03-24
10513892 Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling Aaron W. Logan, Justin C. Logan, David A. Switzer 2019-12-24
10494879 Universal downhole probe system Aaron W. Logan, Justin C. Logan, David A. Switzer 2019-12-03
10422921 Downhole system with integrated backup sensors Aaron W. Logan, Justin C. Logan, Barry Daniel Buternowsky, Mojtaba Kazemi Miraki 2019-09-24
10400520 Electromagnetic telemetry gap sub assembly with insulating collar Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Mojtaba Kazemi Miraki 2019-09-03
10358906 Downhole probe centralizer Aaron W. Logan, Justin C. Logan 2019-07-23
10352111 Drill collar with integrated probe centralizer Aaron W. Logan, Justin C. Logan, David A. Switzer 2019-07-16
10352151 Downhole electronics carrier Aaron W. Logan, Justin C. Logan 2019-07-16
10301887 Drill string sections with interchangeable couplings Aaron W. Logan, Justin C. Logan 2019-05-28
10301891 Jig for coupling or uncoupling drill string sections with detachable couplings and related methods Aaron W. Logan, Justin C. Logan 2019-05-28
10301931 Measuring while drilling systems, method and apparatus Aaron W. Logan, Justin C. Logan, Kurtis West, Jili Liu, Barry Daniel Buternowsky 2019-05-28
10295060 Method for sealing a gap sub assembly Hasan Alper Hepguvendik, Aaron W. Logan, Justin C. Logan, Gavin Gaw-Wae Lee, Luke Anthony Stack +2 more 2019-05-21
10287871 Axially-supported downhole probes Aaron W. Logan, Justin C. Logan, David A. Switzer 2019-05-14