Inventor · disambiguated record
Michael D. Bradfield
Also filed as: BRADFIELD MICHAEL · BRADFIELD MICHAEL D · BRADFIELD MICHAEL DUANE
90 granted patents·32 pending applications·1,005 citations·filing 1991–2025
99Inventor score
Files withBRADFIELD MICHAEL D38REMY TECHNOLOGIES LLC21BORGWARNER INC15REMY TECH LLC11GEN MOTORS CORP9
Top patents by PatentIndex Score
122 records- 0198US7417344B2Electronic package for electrical machineREMY INT INC·Filed 2007·Granted Aug 26, 2008·45 cites·4 claims
- 0298US7352091B2Electronic package for electrical machineREMY INT INC·Filed 2005·Granted Apr 1, 2008·49 cites·10 claims
- 0397US8629585B2Internal cooling of stator assembly in an electric machineREMY TECHNOLOGIES LLC·Filed 2013·Granted Jan 14, 2014·23 cites·9 claims
- 0497US8519581B2Electric machine cooling system and methodBRADFIELD MICHAEL D·Filed 2010·Granted Aug 27, 2013·21 cites·18 claims
- 0597US8508085B2Internal cooling of stator assembly in an electric machineBRADFIELD MICHAEL D·Filed 2010·Granted Aug 13, 2013·21 cites·8 claims
- 0696US8492952B2Coolant channels for electric machine statorBRADFIELD MICHAEL D·Filed 2010·Granted Jul 23, 2013·20 cites·1 claims
- 0795US9444306B2Variable flux electric starter motor and method of operating the sameBRADFIELD MICHAEL D·Filed 2012·Granted Sep 13, 2016·13 cites·10 claims
- 0895US8378550B2Electric machine including a stator having a stator sleeve and method of cooling a statorREMY TECHNOLOGIES LLC·Filed 2010·Granted Feb 19, 2013·17 cites·16 claims
- 0995US8269383B2Electric machine cooling system and methodBRADFIELD MICHAEL D·Filed 2010·Granted Sep 18, 2012·16 cites·18 claims
- 1094US10389211B2Axially extending electric machine electronics cooling towerREMY TECH LLC·Filed 2015·Granted Aug 20, 2019·7 cites·18 claims
- 1193US8395287B2Coolant channels for electric machine statorBRADFIELD MICHAEL D·Filed 2010·Granted Mar 12, 2013·13 cites·17 claims
- 1293US8138649B2Magnet support and retention system for hybrid rotorsBRADFIELD MICHAEL D·Filed 2007·Granted Mar 20, 2012·25 cites·19 claims
- 1392US11773962B1Electric drive unit with integrated, variable flow, low-pressure oil cooling systemBORGWARNER INC·Filed 2022·Granted Oct 3, 2023·4 cites·19 claims
- 1492US6278213B1High fill stator designDELPHI TECH INC·Filed 2000·Granted Aug 21, 2001·49 cites·14 claims
- 1591US11811294B2Integrated stator cooling jacket systemBORGWARNER INC·Filed 2020·Granted Nov 7, 2023·2 cites·16 claims
- 1691US9960654B2Dual air and liquid cooling media compatible electric machine electronicsREMY TECH LLC·Filed 2015·Granted May 1, 2018·5 cites·18 claims
- 1791US8456046B2Gravity fed oil cooling for an electric machineBRADFIELD MICHAEL D·Filed 2010·Granted Jun 4, 2013·11 cites·15 claims
- 1890US8593021B2Coolant drainage system and method for electric machinesBRADFIELD MICHAEL D·Filed 2010·Granted Nov 26, 2013·10 cites·7 claims
- 1990US8446056B2Electric machine cooling system and methodBRADFIELD MICHAEL D·Filed 2010·Granted May 21, 2013·10 cites·17 claims
- 2090US7687954B2Brushless electric machine with stator with cascaded end loopsREMY TECHNOLOGIES LLC·Filed 2006·Granted Mar 30, 2010·19 cites·11 claims
- 2189US8269384B2Alternator with dual axial air flowBRADFIELD MICHAEL D·Filed 2010·Granted Sep 18, 2012·9 cites·20 claims
- 2288US8339000B2Electric machine with isolated ground electronicsBRADFIELD MICHAEL D·Filed 2010·Granted Dec 25, 2012·8 cites·19 claims
- 2388US6995486B2Electronic package for electrical machineREMY INT INC·Filed 2005·Granted Feb 7, 2006·21 cites·2 claims
- 2487US8872369B2Starter machine system and methodBRADFIELD MICHAEL D·Filed 2012·Granted Oct 28, 2014·7 cites·7 claims
- 2587US5163883APulley with integral fastener and spacerGEN MOTORS CORP·Filed 1991·Granted Nov 17, 1992·41 cites·8 claims
- 2686US10250104B2Circuit layout for electric machine control electronicsREMY TECH LLC·Filed 2015·Granted Apr 2, 2019·3 cites·20 claims
- 2786US8421565B2Starter motor solenoid with variable reluctance plungerSANTICHEN STEPHEN P·Filed 2010·Granted Apr 16, 2013·10 cites·17 claims
- 2886US2025343449A1Integrated stator cooling jacket systemBORGWARNER INC·Filed 2025·Application pending·0 cites
- 2985US10164504B2Bi-directional MOSFET cooling for an electric machineREMY TECH LLC·Filed 2015·Granted Dec 25, 2018·3 cites·11 claims
- 3085US8614538B2Electric machine cooling system and methodBRADFIELD MICHAEL D·Filed 2010·Granted Dec 24, 2013·6 cites·17 claims
- 3185US6707225B2Radiused stator core end facesDELCO REMY INTERNATIONAL INC·Filed 2001·Granted Mar 16, 2004·31 cites·12 claims
- 3285US5195241AMethod of manufacturing a pulley with integral fastener and spacerGEN MOTORS CORP·Filed 1992·Granted Mar 23, 1993·36 cites·2 claims
- 3384US12368332B2Integrated stator cooling jacket systemBORGWARNER INC·Filed 2023·Granted Jul 22, 2025·0 cites·17 claims
- 3484US10332822B2Pedestal surface for MOSFET moduleBORGWARNER INC·Filed 2018·Granted Jun 25, 2019·3 cites·15 claims
- 3584US8629597B2Airflow passage arrangement for claw-pole electric machinesBRADFIELD MICHAEL D·Filed 2010·Granted Jan 14, 2014·5 cites·20 claims
- 3684US8416039B2Solenoid with reverse turn spool hub projectionBRADFIELD MICHAEL D·Filed 2010·Granted Apr 9, 2013·5 cites·18 claims
- 3784US7982565B2Integrated solenoid and ignition magnetic switchREMY TECHNOLOGIES LLC·Filed 2007·Granted Jul 19, 2011·18 cites·14 claims
- 3884US2025149938A1System and Method For Liquid-Cooled StatorBORGWARNER INC·Filed 2024·Application pending·0 cites
- 3983US12328058B2Integrated stator cooling jacket systemBORGWARNER INC·Filed 2023·Granted Jun 10, 2025·0 cites·23 claims
- 4082US8552600B2Potted end turns of an electric machineBRADFIELD MICHAEL D·Filed 2010·Granted Oct 8, 2013·5 cites·7 claims
- 4182US8362862B2Starter motor assembly with soft start solenoidREMY TECHNOLOGIES LLC·Filed 2010·Granted Jan 29, 2013·5 cites·20 claims
- 4281US7345391B2Method and apparatus for attachment of a cover for a dynamoelectric machineREMY INT INC·Filed 2005·Granted Mar 18, 2008·13 cites·10 claims
- 4381US6351046B1Compact dynamoelectric machineDELPHI TECH INC·Filed 2000·Granted Feb 26, 2002·26 cites·15 claims
- 4481US5625244AFan and slip ring assemblyGEN MOTORS CORP·Filed 1995·Granted Apr 29, 1997·50 cites·3 claims
- 4580US10090735B2Radially adaptable phase lead connectionREMY TECH LLC·Filed 2015·Granted Oct 2, 2018·2 cites·20 claims
- 4679US8860235B2Starter machine system and methodBRADFIELD MICHAEL D·Filed 2012·Granted Oct 14, 2014·4 cites·15 claims
- 4779US7456616B2Current sensor for electric machine controlREMY TECHNOLOGIES LLC·Filed 2006·Granted Nov 25, 2008·9 cites·12 claims
- 4878US7283899B1Vehicle alternator and methods for controlling torque loading of the vehicle alternator on an engineREMY INT INC·Filed 2007·Granted Oct 16, 2007·16 cites·14 claims
- 4978US5296772AVentilated brush holderGEN MOTORS CORP·Filed 1993·Granted Mar 22, 1994·45 cites·7 claims
- 5078US5096035ASpeed and torque limiting indirect drive mechanismGEN MOTORS CORP·Filed 1991·Granted Mar 17, 1992·28 cites·2 claims
Showing the top 50 of 122 patent records by PatentIndex Score.
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