Inventor · disambiguated record
Matthew A. Younkins
Also filed as: YOUNKINS MATTHEW · YOUNKINS MATTHEW A · YOUNKINS MATTHEW AARON
52 granted patents·10 pending applications·767 citations·filing 2010–2024
98Inventor score
Top patents by PatentIndex Score
62 records- 0199US10494971B2Lean burn internal combustion engine exhaust gas temperature controlTULA TECHNOLOGY INC·Filed 2019·Granted Dec 3, 2019·20 cites·24 claims
- 0299US10247072B2Lean burn internal combustion engine exhaust gas temperature controlTULA TECHNOLOGY INC·Filed 2016·Granted Apr 2, 2019·21 cites·33 claims
- 0399US9890732B2Valve fault detectionTULA TECHNOLOGY INC·Filed 2016·Granted Feb 13, 2018·29 cites·15 claims
- 0498US10072592B2Multi-level skip fireTULA TECHNOLOGY INC·Filed 2017·Granted Sep 11, 2018·12 cites·30 claims
- 0598US9689328B2Multi-level skip fireTULA TECHNOLOGY INC·Filed 2016·Granted Jun 27, 2017·16 cites·24 claims
- 0698US9689327B2Multi-level skip fireTULA TECHNOLOGY INC·Filed 2015·Granted Jun 27, 2017·31 cites·7 claims
- 0798US9664130B2Using cylinder firing history for combustion control in a skip fire engineTULA TECHNOLOGY INC·Filed 2013·Granted May 30, 2017·50 cites·28 claims
- 0898US9476373B2Multi-level skip fireTULA TECHNOLOGY INC·Filed 2016·Granted Oct 25, 2016·25 cites·16 claims
- 0998US9399964B2Multi-level skip fireTULA TECHNOLOGY INC·Filed 2015·Granted Jul 26, 2016·122 cites·27 claims
- 1098US9291106B2Cam phaser controlTULA TECHNOLOGY INC·Filed 2013·Granted Mar 22, 2016·36 cites·15 claims
- 1198US9175613B2System and method for safe valve activation in a dynamic skip firing engineTULA TECHNOLOGY INC·Filed 2014·Granted Nov 3, 2015·62 cites·17 claims
- 1298US8651091B2Skip fire engine controlTULA TECHNOLOGY INC·Filed 2013·Granted Feb 18, 2014·40 cites·22 claims
- 1397US10233796B2Internal combustion engine using variable valve lift and skip fire controlTULA TECHNOLOGY INC·Filed 2015·Granted Mar 19, 2019·8 cites·20 claims
- 1497US9982611B2Internal combustion engine control for improved fuel efficiencyTULA TECHNOLOGY INC·Filed 2017·Granted May 29, 2018·9 cites·36 claims
- 1597US9399963B2Misfire detection systemTULA TECHNOLOGY INC·Filed 2014·Granted Jul 26, 2016·40 cites·25 claims
- 1696US11306672B2Use of different pneumatic cylinder spring types in a variable displacement engine for engine and aftertreatment system temperature controlTULA TECHNOLOGY INC·Filed 2021·Granted Apr 19, 2022·6 cites·47 claims
- 1796US10619584B2Dynamic valve control in a skip fire controlled engineTULA TECHNOLOGY INC·Filed 2018·Granted Apr 14, 2020·15 cites·38 claims
- 1896US9581097B2Determination of a high pressure exhaust spring in a cylinder of an internal combustion engineTULA TECHNOLOGY INC·Filed 2014·Granted Feb 28, 2017·22 cites·19 claims
- 1996US9562470B2Valve fault detectionTULA TECHNOLOGY INC·Filed 2015·Granted Feb 7, 2017·50 cites·22 claims
- 2095US11916498B2Electric machine torque adjustment based on waveform integer multiplesTULA TECHNOLOGY INC·Filed 2022·Granted Feb 27, 2024·2 cites·32 claims
- 2195US8892330B2Hybrid vehicle with cylinder deactivationTULA TECHNOLOGY INC·Filed 2012·Granted Nov 18, 2014·54 cites·19 claims
- 2294US11637513B2Methods of optimizing waveforms for electric motorsTULA TECHNOLOGY INC·Filed 2022·Granted Apr 25, 2023·9 cites·28 claims
- 2394US10493836B2Noise/vibration control using variable spring absorberTULA TECHNOLOGY INC·Filed 2018·Granted Dec 3, 2019·6 cites·16 claims
- 2493US11261807B2Dynamic valve control in a skip fire controlled engineTULA TECHNOLOGY INC·Filed 2021·Granted Mar 1, 2022·3 cites·30 claims
- 2592US9650923B2System and method for safe valve activation in a dynamic skip firing engineTULA TECHNOLOGY INC·Filed 2015·Granted May 16, 2017·6 cites·23 claims
- 2691US10400691B2Noise/vibration reduction controlTULA TECHNOLOGY INC·Filed 2018·Granted Sep 3, 2019·8 cites·21 claims
- 2791US8880258B2Hybrid powertrain controlTULA TECHNOLOGY INC·Filed 2012·Granted Nov 4, 2014·24 cites·36 claims
- 2890US10557427B2Multi-level firing engine controlTULA TECHNOLOGY INC·Filed 2018·Granted Feb 11, 2020·2 cites·26 claims
- 2990US9726094B2System for managing catalytic converter temperatureTULA TECHNOLOGY INC·Filed 2014·Granted Aug 8, 2017·16 cites·20 claims
- 3089US11060430B2Lean burn internal combustion engine exhaust gas temperature controlTULA TECHNOLOGY INC·Filed 2019·Granted Jul 13, 2021·2 cites·24 claims
- 3187US8056546B2Multi-function throttle valveBOYER BRAD·Filed 2010·Granted Nov 15, 2011·9 cites·20 claims
- 3286US11300026B2Separately determining firing density and pumping density during firing density transitions for a lean-burn internal combustion engineTULA TECHNOLOGY INC·Filed 2020·Granted Apr 12, 2022·1 cites·24 claims
- 3384US10823029B2Determining firing density of a skip fire controlled lean-burn engine using air-fuel ratio and exhaust temperaturesTULA TECHNOLOGY INC·Filed 2019·Granted Nov 3, 2020·3 cites·41 claims
- 3483US10808672B2Dynamic charge compression ignition engine with multiple aftertreatment systemsTULA TECHNOLOGY INC·Filed 2018·Granted Oct 20, 2020·2 cites·24 claims
- 3583US9983583B2Autonomous driving with dynamic skip fireTULA TECHNOLOGY INC·Filed 2017·Granted May 29, 2018·3 cites·10 claims
- 3682US10635105B2Autonomous driving with dynamic skip fireTULA TECHNOLOGY INC·Filed 2019·Granted Apr 28, 2020·1 cites·18 claims
- 3778US11680505B2Separately determining firing density and pumping density during firing density transitions for a lean-burn internal combustion engineTULA TECHNOLOGY INC·Filed 2022·Granted Jun 20, 2023·0 cites·20 claims
- 3877US10982617B2Split direct injection for reactivated cylinders of an internal combustion engineTULA TECHNOLOGY INC·Filed 2019·Granted Apr 20, 2021·2 cites·33 claims
- 3974US11560818B2Lean burn internal combustion engine exhaust gas controlTULA TECHNOLOGY INC·Filed 2021·Granted Jan 24, 2023·0 cites·15 claims
- 4074US11492987B2Cylinder charge trapping strategies based on predictive number of skips and staggered implementation of valvetrain dependent operational strategies for internal combustion enginesTULA TECHNOLOGY INC·Filed 2022·Granted Nov 8, 2022·0 cites·19 claims
- 4174US11333053B2Lean burn internal combustion engine exhaust gas temperature controlTULA TECHNOLOGY INC·Filed 2021·Granted May 17, 2022·0 cites·24 claims
- 4274US2023287839A1Mitigation of powertrain and accessory torsional oscillation through electric motor/generator controlTULA TECHNOLOGY INC·Filed 2023·Application pending·0 cites
- 4373US2021262405A1Skip fire valve controlTULA TECHNOLOGY INC·Filed 2021·Application pending·0 cites
- 4471US11674423B2Lean burn internal combustion engine exhaust gas controlTULA TECHNOLOGY INC·Filed 2021·Granted Jun 13, 2023·0 cites·17 claims
- 4571US10837382B2Multi-level firing engine controlTULA TECHNOLOGY INC·Filed 2020·Granted Nov 17, 2020·0 cites·19 claims
- 4670US11624331B2Use of different pneumatic cylinder spring types in a variable displacement engine for engine and aftertreatment system temperature controlTULA TECHNOLOGY INC·Filed 2022·Granted Apr 11, 2023·0 cites·20 claims
- 4770US11352967B2Cylinder charge trapping strategies based on predictive number of skips and staggered implementation of valvetrain dependent operational strategies for internal combustion enginesTULA TECHNOLOGY INC·Filed 2021·Granted Jun 7, 2022·0 cites·37 claims
- 4869US2024190259A1Electric machine torque adjustment based on waveform multiplesTULA TECHNOLOGY INC·Filed 2024·Application pending·0 cites
- 4968US11008995B2Dynamic charge compression ignition engine with multiple aftertreatment systemsTULA TECHNOLOGY INC·Filed 2019·Granted May 18, 2021·0 cites·39 claims
- 5067US2020218258A1Autonomous driving with dynamic skip fireTULA TECHNOLOGY INC·Filed 2020·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →