Inventor · disambiguated record
Patrick R. Derkacz
Also filed as: DERKACZ PATRICK R · DERKACZ PATRICK ROBERT
50 granted patents·2 pending applications·118 citations·filing 2012–2023
97Inventor score
Top patents by PatentIndex Score
52 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
- 0494US10119393B2Optimizing downhole data communication with at bit sensors and nodesEVOLUTION ENGINEERING INC·Filed 2015·Granted Nov 6, 2018·10 cites·39 claims
- 0593US10358906B2Downhole probe centralizerEVOLUTION ENGINEERING INC·Filed 2018·Granted Jul 23, 2019·7 cites·21 claims
- 0692US11795769B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2020·Granted Oct 24, 2023·2 cites·24 claims
- 0791US10167683B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2016·Granted Jan 1, 2019·4 cites·23 claims
- 0891US10006257B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2013·Granted Jun 26, 2018·8 cites·101 claims
- 0985US10352111B2Drill collar with integrated probe centralizerEVOLUTION ENGINEERING INC·Filed 2013·Granted Jul 16, 2019·8 cites·56 claims
- 1085US10301931B2Measuring while drilling systems, method and apparatusEVOLUTION ENGINEERING INC·Filed 2015·Granted May 28, 2019·5 cites·40 claims
- 1182US10078154B2Downhole system with integrated backup sensorsEVOLUTION ENGINEERING INC·Filed 2015·Granted Sep 18, 2018·2 cites·30 claims
- 1281US9976415B2Electromagnetic telemetry system with compensation for drilling fluid characteristicsEVOLUTION ENGINEERING INC·Filed 2016·Granted May 22, 2018·3 cites·26 claims
- 1380US10400520B2Electromagnetic telemetry gap sub assembly with insulating collarEVOLUTION ENGINEERING INC·Filed 2018·Granted Sep 3, 2019·2 cites·28 claims
- 1480US9909369B2Electromagnetic telemetry gap sub assembly with insulating collarEVOLUTION ENGINEERING INC·Filed 2013·Granted Mar 6, 2018·4 cites·42 claims
- 1580US9874083B2Downhole probes and systemsEVOLUTION ENGINEERING INC·Filed 2013·Granted Jan 23, 2018·10 cites·37 claims
- 1679US10598000B2Methods and apparatus for downhole probesEVOLUTION ENGINEERING INC·Filed 2018·Granted Mar 24, 2020·2 cites·34 claims
- 1777US12297735B2Centralizer for downhole probesBAKER HUGHES CANADA COMPANY·Filed 2023·Granted May 13, 2025·0 cites·24 claims
- 1874US10156102B2Gap assembly for EM data telemetryEVOLUTION ENGINEERING INC·Filed 2015·Granted Dec 18, 2018·2 cites·31 claims
- 1972US9670771B2Methods and apparatus for generating electromagnetic telemetry signalsEVOLUTION ENGINEERING INC·Filed 2014·Granted Jun 6, 2017·3 cites·15 claims
- 2067US9850751B2Axially-supported downhole probesEVOLUTION ENGINEERING INC·Filed 2013·Granted Dec 26, 2017·2 cites·43 claims
- 2165US10648247B2Centralizer for downhole probesEVOLUTION ENGINEERING INC·Filed 2018·Granted May 12, 2020·0 cites·20 claims
- 2265US9976414B2Downhole probe assembly with bluetooth deviceEVOLUTION ENGINEERING INC·Filed 2014·Granted May 22, 2018·1 cites·19 claims
- 2364US10494879B2Universal downhole probe systemEVOLUTION ENGINEERING INC·Filed 2017·Granted Dec 3, 2019·0 cites·20 claims
- 2464US10422921B2Downhole system with integrated backup sensorsEVOLUTION ENGINEERING INC·Filed 2018·Granted Sep 24, 2019·0 cites·26 claims
- 2561US11686159B2Torsion resistant gap subEVOLUTION ENGINEERING INC·Filed 2021·Granted Jun 27, 2023·0 cites·20 claims
- 2659US10513892B2Rotary locking sub for angular alignment of downhole sensors with high side in directional drillingEVOLUTION ENGINEERING INC·Filed 2017·Granted Dec 24, 2019·0 cites·19 claims
- 2758US10280741B2Optimizing downhole data communication with at bit sensors and nodesEVOLUTION ENGINEERING INC·Filed 2018·Granted May 7, 2019·0 cites·5 claims
- 2857US10287871B2Axially-supported downhole probesEVOLUTION ENGINEERING INC·Filed 2017·Granted May 14, 2019·0 cites·42 claims
- 2957US9932776B2Pinned electromagnetic telemetry gap sub assemblyEVOLUTION ENGINEERING INC·Filed 2014·Granted Apr 3, 2018·2 cites·30 claims
- 3056US9988855B2Methods and apparatus for generating electromagnetic telemetry signalsEVOLUTION ENGINEERING INC·Filed 2017·Granted Jun 5, 2018·0 cites·20 claims
- 3154US10934784B2Seal and sacrificial components for a drill stringEVOLUTION ENGINEERING INC·Filed 2018·Granted Mar 2, 2021·0 cites·7 claims
- 3254US2025236928A1Electronic waste composite article or material and process for making sameEXCIR WORKS CORP·Filed 2021·Application pending·0 cites
- 3353US10214971B2Apparatus for angular alignment of downhole sensors with high side in directional drillingEVOLUTION ENGINEERING INC·Filed 2013·Granted Feb 26, 2019·0 cites·19 claims
- 3453US9840879B2Rotary locking sub for angular alignment of downhole sensors with high side in directional drillingEVOLUTION ENGINEERING INC·Filed 2013·Granted Dec 12, 2017·0 cites·31 claims
- 3551US10837240B2Seal and sacrificial components for a drill stringEVOLUTION ENGINEERING INC·Filed 2017·Granted Nov 17, 2020·0 cites·16 claims
- 3650US11105159B2Torsion resistant gap subEVOLUTION ENGINEERING INC·Filed 2016·Granted Aug 31, 2021·0 cites·19 claims
- 3750US10030501B2Downhole probe centralizerEVOLUTION ENGINEERING INC·Filed 2012·Granted Jul 24, 2018·0 cites·61 claims
- 3850US9951603B2Methods and apparatus for downhole probesEVOLUTION ENGINEERING INC·Filed 2012·Granted Apr 24, 2018·0 cites·29 claims
- 3948US11213989B2Downhole probe sleeves and methods for making probe sleevesEVOLUTION ENGINEERING INC·Filed 2017·Granted Jan 4, 2022·0 cites·11 claims
- 4047US11215014B2Preloadable connectors for tubingEVOLUTION ENGINEERING INC·Filed 2018·Granted Jan 4, 2022·0 cites·20 claims
- 4147US11085247B2Securing means for in-tubing probe retainerEVOLUTION ENGINEERING INC·Filed 2017·Granted Aug 10, 2021·0 cites·24 claims
- 4247US10215020B2Mud motor with integrated MWD systemEVOLUTION ENGINEERING INC·Filed 2015·Granted Feb 26, 2019·0 cites·13 claims
- 4346US9863239B2Selecting transmission frequency based on formation propertiesEVOLUTION ENGINEERING INC·Filed 2015·Granted Jan 9, 2018·0 cites·27 claims
- 4444US2015285062A1Downhole electromagnetic telemetry apparatusEVOLUTION ENGINEERING INC·Filed 2013·Application pending·0 cites
- 4543US9945227B2Mixed-mode telemetry systems and methodsEVOLUTION ENGINEERING INC·Filed 2015·Granted Apr 17, 2018·0 cites·36 claims
- 4642US10352151B2Downhole electronics carrierEVOLUTION ENGINEERING INC·Filed 2015·Granted Jul 16, 2019·0 cites·24 claims
- 4742US10125904B2Sealing gasket and method for creating sameEVOLUTION ENGINEERING INC·Filed 2016·Granted Nov 13, 2018·0 cites·17 claims
- 4841US10295060B2Method for sealing a gap sub assemblyEVOLUTION ENGINEERING INC·Filed 2016·Granted May 21, 2019·0 cites·18 claims
- 4940US11280437B2Sealed gap subEVOLUTION ENGINEERING INC·Filed 2017·Granted Mar 22, 2022·0 cites·42 claims
- 5040US10301891B2Jig for coupling or uncoupling drill string sections with detachable couplings and related methodsEVOLUTION ENGINEERING INC·Filed 2015·Granted May 28, 2019·0 cites·9 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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