Inventor · disambiguated record
David A. Switzer
Also filed as: SWITZER DAVID · SWITZER DAVID A · SWITZER DAVID ARTHUR SIDNEY
106 granted patents·14 pending applications·1,201 citations·filing 2000–2025
99Inventor score
Files withEVOLUTION ENGINEERING INC80MICROSOFT CORP17NIKE INC7GEONOMIC TECH INC4QUANTUM ENERGY TECH LLC4
Top patents by PatentIndex Score
120 records- 0198US7058902B2Enhanced on-object context menusMICROSOFT CORP·Filed 2002·Granted Jun 6, 2006·246 cites·16 claims
- 0297US9664037B2Detection of downhole data telemetry signalsEVOLUTION ENGINEERING INC·Filed 2014·Granted May 30, 2017·31 cites·33 claims
- 0397US8381133B2Enhanced on-object context menusMICROSOFT CORP·Filed 2009·Granted Feb 19, 2013·55 cites·19 claims
- 0497US7581194B2Enhanced on-object context menusMICROSOFT CORP·Filed 2006·Granted Aug 25, 2009·61 cites·18 claims
- 0597US7433324B2User experience for collaborative ad-hoc networksMICROSOFT CORP·Filed 2005·Granted Oct 7, 2008·120 cites·20 claims
- 0696US6788815B2System and method for accepting disparate types of user inputMICROSOFT CORP·Filed 2001·Granted Sep 7, 2004·144 cites·18 claims
- 0795US10066481B2Downhole electromagnetic and mud pulse telemetry apparatusEVOLUTION ENGINEERING INC·Filed 2018·Granted Sep 4, 2018·7 cites·11 claims
- 0895US9850722B2Universal downhole probe systemEVOLUTION ENGINEERING INC·Filed 2012·Granted Dec 26, 2017·14 cites·38 claims
- 0995US9644471B2Mounting and component holder apparatuses and assemblies for holding rigid componentsEVOLUTION ENGINEERING INC·Filed 2012·Granted May 9, 2017·23 cites·36 claims
- 1095US6791536B2Simulating gestures of a pointing device using a stylus and providing feedback theretoMICROSOFT CORP·Filed 2001·Granted Sep 14, 2004·128 cites·47 claims
- 1194US10119393B2Optimizing downhole data communication with at bit sensors and nodesEVOLUTION ENGINEERING INC·Filed 2015·Granted Nov 6, 2018·10 cites·39 claims
- 1294US9605535B2Integrated downhole system with plural telemetry subsystemsEVOLUTION ENGINEERING INC·Filed 2014·Granted Mar 28, 2017·13 cites·29 claims
- 1392US11513610B2Gesture recognitionNIKE INC·Filed 2021·Granted Nov 29, 2022·3 cites·20 claims
- 1492US9291049B2Downhole electromagnetic and mud pulse telemetry apparatusEVOLUTION ENGINEERING INC·Filed 2014·Granted Mar 22, 2016·11 cites·13 claims
- 1591US7788474B2Operating system shut downMICROSOFT CORP·Filed 2005·Granted Aug 31, 2010·38 cites·14 claims
- 1689US9528370B2Fluid 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
- 1788US12000266B2Method and apparatus for measuring a wellboreGEONOMIC TECH INC·Filed 2022·Granted Jun 4, 2024·3 cites·20 claims
- 1888US10729029B2Mounting and component holder apparatuses and assemblies for holding rigid componentsEVOLUTION ENGINEERING INC·Filed 2017·Granted Jul 28, 2020·5 cites·19 claims
- 1987US9494035B2Fluid pressure pulse generator and method of using sameEVOLUTION ENGINEERING INC·Filed 2013·Granted Nov 15, 2016·7 cites·30 claims
- 2087US7810042B2Page bar controlMICROSOFT CORP·Filed 2006·Granted Oct 5, 2010·15 cites·15 claims
- 2186US9765615B2Optimizing electromagnetic telemetry transmissionsEVOLUTION ENGINEERING INC·Filed 2014·Granted Sep 19, 2017·6 cites·50 claims
- 2285US10352111B2Drill collar with integrated probe centralizerEVOLUTION ENGINEERING INC·Filed 2013·Granted Jul 16, 2019·8 cites·56 claims
- 2384US12326080B2Method and apparatus for measuring a wellboreGEONOMIC TECH INC·Filed 2024·Granted Jun 10, 2025·1 cites·20 claims
- 2484US9574441B2Downhole telemetry signal modulation using pressure pulses of multiple pulse heightsEVOLUTION ENGINEERING INC·Filed 2013·Granted Feb 21, 2017·7 cites·17 claims
- 2582US10006280B2Downhole pocket electronicsEVOLUTION ENGINEERING INC·Filed 2014·Granted Jun 26, 2018·6 cites·28 claims
- 2682US9435196B2Downhole electromagnetic and mud pulse telemetry apparatusEVOLUTION ENGINEERING INC·Filed 2016·Granted Sep 6, 2016·2 cites·16 claims
- 2782US7100119B2Page bar controlMICROSOFT CORP·Filed 2002·Granted Aug 29, 2006·29 cites·30 claims
- 2881US9528371B2Fluid pressure pulse generating apparatus and method of using sameEVOLUTION ENGINEERING INC·Filed 2014·Granted Dec 27, 2016·4 cites·11 claims
- 2980US10400520B2Electromagnetic telemetry gap sub assembly with insulating collarEVOLUTION ENGINEERING INC·Filed 2018·Granted Sep 3, 2019·2 cites·28 claims
- 3080US9988897B2Optimizing electromagnetic telemetry transmissionsEVOLUTION ENGINEERING INC·Filed 2017·Granted Jun 5, 2018·2 cites·20 claims
- 3180US9909369B2Electromagnetic telemetry gap sub assembly with insulating collarEVOLUTION ENGINEERING INC·Filed 2013·Granted Mar 6, 2018·4 cites·42 claims
- 3280US9874083B2Downhole probes and systemsEVOLUTION ENGINEERING INC·Filed 2013·Granted Jan 23, 2018·10 cites·37 claims
- 3380US6902414B2Harsh environment rotatable connectorEXTREME ENGINEERING LTD·Filed 2003·Granted Jun 7, 2005·59 cites·27 claims
- 3479US10598000B2Methods and apparatus for downhole probesEVOLUTION ENGINEERING INC·Filed 2018·Granted Mar 24, 2020·2 cites·34 claims
- 3579US9512716B2System and method for regulating an electromagnetic telemetry signal sent from downhole to surfaceEVOLUTION ENGINEERING INC·Filed 2014·Granted Dec 6, 2016·4 cites·17 claims
- 3678US11976758B1Electrically insulated threaded connectionQUANTUM ENERGY TECH LLC·Filed 2023·Granted May 7, 2024·1 cites·27 claims
- 3777US11649720B2Integrated downhole system with plural telemetry subsystemsEVOLUTION ENGINEERING INC·Filed 2022·Granted May 16, 2023·0 cites·21 claims
- 3877US10215021B2Downhole electromagnetic and mud pulse telemetry apparatusEVOLUTION ENGINEERING INC·Filed 2018·Granted Feb 26, 2019·1 cites·18 claims
- 3977US9771792B2Method and apparatus for multi-channel downhole electromagnetic telemetryEVOLUTION ENGINEERING INC·Filed 2013·Granted Sep 26, 2017·4 cites·21 claims
- 4076US11073015B2Integrated downhole system with plural telemetry subsystemsEVOLUTION ENGINEERING INC·Filed 2019·Granted Jul 27, 2021·1 cites·5 claims
- 4175US9476296B2Fluid 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
- 4275US2024085988A1Gesture RecognitionNIKE INC·Filed 2023·Application pending·0 cites
- 4374US8174929B2Spindle for mud pulse telemetry applicationsCAMWELL PAUL L·Filed 2008·Granted May 8, 2012·13 cites·19 claims
- 4474US7945855B2Smart space insertionMICROSOFT CORP·Filed 2003·Granted May 17, 2011·19 cites·5 claims
- 4573US11861073B2Gesture recognitionNIKE INC·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 4673US11359483B2Integrated downhole system with plural telemetry subsystemsEVOLUTION ENGINEERING INC·Filed 2021·Granted Jun 14, 2022·0 cites·12 claims
- 4773US10151196B2Downhole telemetryEVOLUTION ENGINEERING INC·Filed 2018·Granted Dec 11, 2018·1 cites·16 claims
- 4873US2025215786A1Method and apparatus for measuring a wellboreGEONOMIC TECH INC·Filed 2025·Application pending·0 cites
- 4972US9670771B2Methods and apparatus for generating electromagnetic telemetry signalsEVOLUTION ENGINEERING INC·Filed 2014·Granted Jun 6, 2017·3 cites·15 claims
- 5072US7454699B2Smart content insertionMICROSOFT CORP·Filed 2003·Granted Nov 18, 2008·20 cites·19 claims
Showing the top 50 of 120 patent records by PatentIndex Score.
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