{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "2019", "item": "https://www.patentleaderboard.com/2019/"}, {"@type": "ListItem", "position": 3, "name": "Evolution Engineering", "item": "https://www.patentleaderboard.com/2019/company/evolution-engineering"}, {"@type": "ListItem", "position": 4, "name": "Patrick R. Derkacz", "item": "https://www.patentleaderboard.com/2019/inventor/fl:pa_ln:derkacz-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PD

Patrick R. Derkacz — 16 Patents in 2019

EEEvolution Engineering: 16 patents #3 of 26Top 15%
Calgary, CA: #4 of 776 inventorsTop 1%
Overall (2019): #3,182 of 560,194Top 1%
16 Patents 2019

Issued Patents 2019

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
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
10301931 Measuring while drilling systems, method and apparatus Aaron W. Logan, Justin C. Logan, Kurtis West, Jili Liu, Barry Daniel Buternowsky 2019-05-28
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
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
10280741 Optimizing downhole data communication with at bit sensors and nodes Aaron W. Logan, Justin C. Logan, Jili Liu, David A. Switzer, Robert A. Harris +2 more 2019-05-07
10215020 Mud motor with integrated MWD system Aaron W. Logan, Justin C. Logan 2019-02-26
10214971 Apparatus for angular alignment of downhole sensors with high side in directional drilling Aaron W. Logan, Justin C. Logan, David A. Switzer 2019-02-26
10167683 Centralizer for downhole probes Aaron W. Logan, Justin C. Logan 2019-01-01