PD

Patrick R. Derkacz

EE Evolution Engineering: 5 patents #7 of 15Top 50%
Overall (2017): #27,200 of 506,227Top 6%
5
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9850722 Universal downhole probe system Aaron W. Logan, Justin C. Logan, David A. Switzer 2017-12-26
9850751 Axially-supported downhole probes Aaron W. Logan, Justin C. Logan, David A. Switzer 2017-12-26
9840879 Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling Aaron W. Logan, Justin C. Logan, David A. Switzer 2017-12-12
9670771 Methods and apparatus for generating electromagnetic telemetry signals Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer, Justin C. Logan, Mojtaba Kazemi Miraki 2017-06-06
9587441 Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement Aaron W. Logan, David A. Switzer, Justin C. Logan, Daniel W. Ahmoye, Darcy A. Downs +1 more 2017-03-07