Inventor · disambiguated record
Justin C. Logan
Also filed as: LOGAN JUSTIN C · LOGAN JUSTIN CHRISTOPHER
92 granted patents·3 pending applications·216 citations·filing 2012–2023
99Inventor score
Top patents by PatentIndex Score
95 records- 0197US10871041B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2018·Granted Dec 22, 2020·8 cites·20 claims
- 0297US9523246B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2013·Granted Dec 20, 2016·19 cites·33 claims
- 0395US9850722B2Universal downhole probe systemEVOLUTION ENGINEERING INC·Filed 2012·Granted Dec 26, 2017·14 cites·38 claims
- 0495US9644471B2Mounting and component holder apparatuses and assemblies for holding rigid componentsEVOLUTION ENGINEERING INC·Filed 2012·Granted May 9, 2017·23 cites·36 claims
- 0594US10119393B2Optimizing downhole data communication with at bit sensors and nodesEVOLUTION ENGINEERING INC·Filed 2015·Granted Nov 6, 2018·10 cites·39 claims
- 0694US9605535B2Integrated downhole system with plural telemetry subsystemsEVOLUTION ENGINEERING INC·Filed 2014·Granted Mar 28, 2017·13 cites·29 claims
- 0793US10358906B2Downhole probe centralizerEVOLUTION ENGINEERING INC·Filed 2018·Granted Jul 23, 2019·7 cites·21 claims
- 0892US11795769B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2020·Granted Oct 24, 2023·2 cites·24 claims
- 0991US10167683B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2016·Granted Jan 1, 2019·4 cites·23 claims
- 1091US10006257B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2013·Granted Jun 26, 2018·8 cites·101 claims
- 1190US9453410B2Mud hammerEVOLUTION ENGINEERING INC·Filed 2014·Granted Sep 27, 2016·11 cites·55 claims
- 1289US9528370B2Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating sameEVOLUTION ENGINEERING INC·Filed 2015·Granted Dec 27, 2016·5 cites·30 claims
- 1388US10729029B2Mounting and component holder apparatuses and assemblies for holding rigid componentsEVOLUTION ENGINEERING INC·Filed 2017·Granted Jul 28, 2020·5 cites·19 claims
- 1487US9494035B2Fluid pressure pulse generator and method of using sameEVOLUTION ENGINEERING INC·Filed 2013·Granted Nov 15, 2016·7 cites·30 claims
- 1585US10352111B2Drill collar with integrated probe centralizerEVOLUTION ENGINEERING INC·Filed 2013·Granted Jul 16, 2019·8 cites·56 claims
- 1685US10301931B2Measuring while drilling systems, method and apparatusEVOLUTION ENGINEERING INC·Filed 2015·Granted May 28, 2019·5 cites·40 claims
- 1782US10316652B2Downhole telemetry tool with adaptive frequency transmitterEVOLUTION ENGINEERING INC·Filed 2015·Granted Jun 11, 2019·4 cites·20 claims
- 1882US10078154B2Downhole system with integrated backup sensorsEVOLUTION ENGINEERING INC·Filed 2015·Granted Sep 18, 2018·2 cites·30 claims
- 1981US9976415B2Electromagnetic telemetry system with compensation for drilling fluid characteristicsEVOLUTION ENGINEERING INC·Filed 2016·Granted May 22, 2018·3 cites·26 claims
- 2080US10400520B2Electromagnetic telemetry gap sub assembly with insulating collarEVOLUTION ENGINEERING INC·Filed 2018·Granted Sep 3, 2019·2 cites·28 claims
- 2180US9909369B2Electromagnetic telemetry gap sub assembly with insulating collarEVOLUTION ENGINEERING INC·Filed 2013·Granted Mar 6, 2018·4 cites·42 claims
- 2280US9874083B2Downhole probes and systemsEVOLUTION ENGINEERING INC·Filed 2013·Granted Jan 23, 2018·10 cites·37 claims
- 2379US10749149B2Battery coil engaging members for downhole toolsEVOLUTION ENGINEERING INC·Filed 2018·Granted Aug 18, 2020·2 cites·31 claims
- 2479US10598000B2Methods and apparatus for downhole probesEVOLUTION ENGINEERING INC·Filed 2018·Granted Mar 24, 2020·2 cites·34 claims
- 2579US9840909B2Flow bypass sleeve for a fluid pressure pulse generator of a downhole telemetry toolEVOLUTION ENGINEERING INC·Filed 2015·Granted Dec 12, 2017·3 cites·25 claims
- 2677US12297735B2Centralizer for downhole probesBAKER HUGHES CANADA COMPANY·Filed 2023·Granted May 13, 2025·0 cites·24 claims
- 2777US11649720B2Integrated downhole system with plural telemetry subsystemsEVOLUTION ENGINEERING INC·Filed 2022·Granted May 16, 2023·0 cites·21 claims
- 2876US11073015B2Integrated downhole system with plural telemetry subsystemsEVOLUTION ENGINEERING INC·Filed 2019·Granted Jul 27, 2021·1 cites·5 claims
- 2975US9476296B2Fluid pressure pulse generating apparatus with primary seal assembly, back up seal assembly and pressure compensation device and method of operating sameEVOLUTION ENGINEERING INC·Filed 2013·Granted Oct 25, 2016·3 cites·27 claims
- 3074US10156102B2Gap assembly for EM data telemetryEVOLUTION ENGINEERING INC·Filed 2015·Granted Dec 18, 2018·2 cites·31 claims
- 3173US11359483B2Integrated downhole system with plural telemetry subsystemsEVOLUTION ENGINEERING INC·Filed 2021·Granted Jun 14, 2022·0 cites·12 claims
- 3273US10641086B2Pressure compensation device for a fluid pressure pulse generating apparatusEVOLUTION ENGINEERING INC·Filed 2016·Granted May 5, 2020·2 cites·12 claims
- 3373US10533413B2Method and apparatus for determining rotor position in a fluid pressure pulse generatorEVOLUTION ENGINEERING INC·Filed 2016·Granted Jan 14, 2020·2 cites·17 claims
- 3473US10151196B2Downhole telemetryEVOLUTION ENGINEERING INC·Filed 2018·Granted Dec 11, 2018·1 cites·16 claims
- 3572US9840910B2Fluid pressure pulse generator for a downhole telemetry toolEVOLUTION ENGINEERING INC·Filed 2015·Granted Dec 12, 2017·2 cites·18 claims
- 3672US9670771B2Methods and apparatus for generating electromagnetic telemetry signalsEVOLUTION ENGINEERING INC·Filed 2014·Granted Jun 6, 2017·3 cites·15 claims
- 3772US9631487B2Fluid pressure pulse generator for a downhole telemetry toolEVOLUTION ENGINEERING INC·Filed 2015·Granted Apr 25, 2017·2 cites·12 claims
- 3869US10753201B2Mud pulse telemetry apparatus with a pressure transducer and method of operating sameEVOLUTION ENGINEERING INC·Filed 2017·Granted Aug 25, 2020·1 cites·10 claims
- 3969US10473804B2Seal and seal assembly for a fluid pressure pulse generating toolEVOLUTION ENGINEERING INC·Filed 2018·Granted Nov 12, 2019·1 cites·18 claims
- 4067US9850751B2Axially-supported downhole probesEVOLUTION ENGINEERING INC·Filed 2013·Granted Dec 26, 2017·2 cites·43 claims
- 4167US9714569B2Mud pulse telemetry apparatus with a pressure transducer and method of operating sameEVOLUTION ENGINEERING INC·Filed 2013·Granted Jul 25, 2017·2 cites·23 claims
- 4265US10648247B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2018·Granted May 12, 2020·0 cites·20 claims
- 4365US10113412B2Axially-supported downhole probesEVOLUTION ENGINEERING INC·Filed 2013·Granted Oct 30, 2018·2 cites·32 claims
- 4465US9828854B2Mud pulse telemetry apparatus with a pressure transducer and method of operating sameEVOLUTION ENGINEERING INC·Filed 2015·Granted Nov 28, 2017·1 cites·18 claims
- 4565US9500075B2Measurement while drilling fluid pressure pulse generatorEVOLUTION ENGINEERING INC·Filed 2013·Granted Nov 22, 2016·2 cites·22 claims
- 4664US10494879B2Universal downhole probe systemEVOLUTION ENGINEERING INC·Filed 2017·Granted Dec 3, 2019·0 cites·20 claims
- 4764US10422921B2Downhole system with integrated backup sensorsEVOLUTION ENGINEERING INC·Filed 2018·Granted Sep 24, 2019·0 cites·26 claims
- 4864US9464521B2Fluid pressure pulse generating apparatus with pressure compensation device and pulser assembly housingEVOLUTION ENGINEERING INC·Filed 2014·Granted Oct 11, 2016·2 cites·33 claims
- 4963US10731459B2Integrated downhole system with plural telemetry subsystemsEVOLUTION ENGINEERING INC·Filed 2019·Granted Aug 4, 2020·0 cites·18 claims
- 5062US9670774B2Fluid pressure pulse generator for a downhole telemetry toolEVOLUTION ENGINEERING INC·Filed 2015·Granted Jun 6, 2017·1 cites·9 claims
Showing the top 50 of 95 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →