JL

Justin C. Logan

EE Evolution Engineering: 17 patents #3 of 15Top 20%
Overall (2017): #2,281 of 506,227Top 1%
17
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9850751 Axially-supported downhole probes Aaron W. Logan, David A. Switzer, Patrick R. Derkacz 2017-12-26
9850722 Universal downhole probe system Aaron W. Logan, David A. Switzer, Patrick R. Derkacz 2017-12-26
9840879 Rotary locking sub for angular alignment of downhole sensors with high side in directional drilling Aaron W. Logan, Patrick R. Derkacz, David A. Switzer 2017-12-12
9840910 Fluid pressure pulse generator for a downhole telemetry tool Gavin Gaw-Wae Lee, Aaron W. Logan 2017-12-12
9840909 Flow bypass sleeve for a fluid pressure pulse generator of a downhole telemetry tool Gavin Gaw-Wae Lee, Aaron W. Logan 2017-12-12
9828852 Fluid pressure pulse generator and method of using same Aaron W. Logan, David A. Switzer, Jili Liu 2017-11-28
9828854 Mud pulse telemetry apparatus with a pressure transducer and method of operating same Aaron W. Logan, Jili Liu, David A. Switzer 2017-11-28
9732608 Downhole telemetry Aaron W. Logan, David A. Switzer, Jili Liu 2017-08-15
9714569 Mud pulse telemetry apparatus with a pressure transducer and method of operating same Aaron W. Logan, Jili Liu, David A. Switzer 2017-07-25
9670774 Fluid pressure pulse generator for a downhole telemetry tool Gavin Gaw-Wae Lee, Aaron W. Logan 2017-06-06
9670771 Methods and apparatus for generating electromagnetic telemetry signals Aaron W. Logan, Daniel W. Ahmoye, David A. Switzer, Patrick R. Derkacz, Mojtaba Kazemi Miraki 2017-06-06
9644471 Mounting and component holder apparatuses and assemblies for holding rigid components Aaron W. Logan, Jili Liu, David A. Switzer 2017-05-09
9631488 Fluid pressure pulse generator for a downhole telemetry tool Gavin Gaw-Wae Lee, Aaron W. Logan 2017-04-25
9631487 Fluid pressure pulse generator for a downhole telemetry tool Gavin Gaw-Wae Lee, Aaron W. Logan 2017-04-25
9617849 Fluid pressure pulse generator with low and high flow modes for wellbore telemetry and method of using same Aaron W. Logan, David A. Switzer, Jili Liu 2017-04-11
9605535 Integrated downhole system with plural telemetry subsystems Aaron W. Logan, David A. Switzer, Jili Liu, Mingdong Xu 2017-03-28
9587441 Apparatus and method for coaxially joining components to resist relative rotational and longitudinal movement Aaron W. Logan, David A. Switzer, Patrick R. Derkacz, Daniel W. Ahmoye, Darcy A. Downs +1 more 2017-03-07