Inventor · disambiguated record
Mark A. Preston
Also filed as: PRESTON MARK · PRESTON MARK A · PRESTON MARK ALAN
20 granted patents·3 pending applications·732 citations·filing 1990–2021
96Inventor score
Top patents by PatentIndex Score
23 records- 0195US11283319B2Axial field rotary energy device with PCB stator having interleaved PCBSINFINITUM ELECTRIC INC·Filed 2020·Granted Mar 22, 2022·4 cites·20 claims
- 0295US11183896B2Axial field rotary energy device having PCB stator and variable frequency driveINFINITUM ELECTRIC INC·Filed 2021·Granted Nov 23, 2021·15 cites·23 claims
- 0391US5578880AFault tolerant active magnetic bearing electric systemGEN ELECTRIC·Filed 1994·Granted Nov 26, 1996·78 cites·8 claims
- 0491US5140243ADiscrete position estimator for a switched reluctance machine using a flux-current map comparatorGEN ELECTRIC·Filed 1991·Granted Aug 18, 1992·74 cites·6 claims
- 0590US5107195ARotor position estimator for a switched reluctance machine using a lumped parameter flux/current modelGEN ELECTRIC·Filed 1991·Granted Apr 21, 1992·68 cites·8 claims
- 0689US5548172APermanent magnet line start motor having magnets outside the starting cageGEN ELECTRIC·Filed 1995·Granted Aug 20, 1996·61 cites·10 claims
- 0786US5424595AIntegrated magnetic bearing/switched reluctance machineGEN ELECTRIC·Filed 1994·Granted Jun 13, 1995·56 cites·19 claims
- 0885US5300841AInductive air gap estimation method for active magnetic bearingsGEN ELECTRIC·Filed 1992·Granted Apr 5, 1994·52 cites·12 claims
- 0984US6012217AMethod of fabrication of motor coil stator including bobbin wound coilsGEN ELECTRIC·Filed 1997·Granted Jan 11, 2000·30 cites·5 claims
- 1084US5525886ALow speed position estimator for switched reluctance machine using flux/current modelGEN ELECTRIC·Filed 1994·Granted Jun 11, 1996·50 cites·8 claims
- 1182US6029336AMethod of fabricating a permanent magnet line start motor having magnets outside the starting cageGEN ELECTRIC·Filed 1995·Granted Feb 29, 2000·44 cites·3 claims
- 1278US5864217ASwitched reluctance machine with toothed-wheel rotor sensorGEN ELECTRIC·Filed 1997·Granted Jan 26, 1999·41 cites·10 claims
- 1375US5300843AFault tolerant active magnetic bearingGEN ELECTRIC·Filed 1992·Granted Apr 5, 1994·29 cites·5 claims
- 1474US5659218AMotor stator including bobbin wound coils and method of fabricationGEN ELECTRIC·Filed 1996·Granted Aug 19, 1997·20 cites·7 claims
- 1572US2021218304A1Axial field rotary energy device having pcb stator and variable frequency driveINFINITUM ELECTRIC INC·Filed 2020·Application pending·0 cites
- 1666US5300842AFlux/current air gap estimation method for active magnetic bearingsGEN ELECTRIC·Filed 1992·Granted Apr 5, 1994·23 cites·10 claims
- 1761US5489844ANoise-cancelling quadrature magnetic position, speed and direction sensorGEN ELECTRIC·Filed 1993·Granted Feb 6, 1996·19 cites·5 claims
- 1861US5149996AMagnetic gain adjustment for axially magnetized linear force motor with outwardly surfaced armatureUNITED TECHNOLOGIES CORP·Filed 1990·Granted Sep 22, 1992·19 cites·9 claims
- 1957US5969451ACurrent-controlled magnetic thrust compensators for mechanical thrust bearingsGEN ELECTRIC·Filed 1996·Granted Oct 19, 1999·17 cites·14 claims
- 2050US2016036367A1Variable speed generator and motorINNOVUS POWER INC·Filed 2015·Application pending·0 cites
- 2147US5705869AMagnetic axial thrust bearings fabricated on individual stator segmentsGEN ELECTRIC·Filed 1995·Granted Jan 6, 1998·11 cites·5 claims
- 2237US6351680B1Method for quality function deploymentGEN ELECTRIC·Filed 1999·Granted Feb 26, 2002·21 cites·16 claims
- 2333US2016065003A1Power system and methodINNOVUS POWER INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →