Inventor · disambiguated record
Stephen G. Crain
Also filed as: CRAIN STEPHEN G
20 granted patents·407 citations·filing 1997–2022
95Inventor score
Top patents by PatentIndex Score
20 records- 0194US9644969B2Recreational vehicle interactive telemetry, mapping, and trip planning systemPOLARIS INC·Filed 2014·Granted May 9, 2017·36 cites·40 claims
- 0294US8256549B2Electric vehicleCRAIN STEPHEN G·Filed 2010·Granted Sep 4, 2012·40 cites·11 claims
- 0393US10870465B2Power boost regulatorPOLARIS INC·Filed 2017·Granted Dec 22, 2020·10 cites·17 claims
- 0493US8302724B2Regenerative control system for an electric vehicleGILLINGHAM BRIAN R·Filed 2010·Granted Nov 6, 2012·23 cites·10 claims
- 0592US10793226B2Power boost regulatorPOLARIS INC·Filed 2016·Granted Oct 6, 2020·10 cites·20 claims
- 0692US10780949B2Power boost regulatorPOLARIS INC·Filed 2016·Granted Sep 22, 2020·11 cites·6 claims
- 0792US6137203AElectric motor with active hysteresis-based control of winding currents and/or having an efficient stator winding arrangement and/or adjustable air gapNEW GENERATION MOTORS CORP·Filed 1999·Granted Oct 24, 2000·112 cites·5 claims
- 0891US6348751B1Electric motor with active hysteresis-based control of winding currents and/or having an efficient stator winding arrangement and/or adjustable air gapNEW GENERATION MOTORS CORP·Filed 1997·Granted Feb 19, 2002·102 cites·29 claims
- 0989US9216637B2Electric vehiclePOLARIS INC·Filed 2012·Granted Dec 22, 2015·10 cites·17 claims
- 1083US9162558B2Electric vehicleSTENBERG KURT E·Filed 2009·Granted Oct 20, 2015·16 cites·21 claims
- 1183US9096133B2Electric vehicle with range extenderKOHLER BEAT·Filed 2012·Granted Aug 4, 2015·20 cites·13 claims
- 1279US12434951B2Winch control systemPOLARIS INC·Filed 2020·Granted Oct 7, 2025·1 cites·36 claims
- 1377US10647324B2Systems and methods for control of two independent powertrains in a vehiclePOLARIS INC·Filed 2016·Granted May 12, 2020·3 cites·42 claims
- 1469US10731620B2Battery key, starter and improved crankPOLARIS INC·Filed 2018·Granted Aug 4, 2020·2 cites·24 claims
- 1564US12319346B2Off-road vehiclePOLARIS INC·Filed 2022·Granted Jun 3, 2025·0 cites·30 claims
- 1662US8339006B2Permanent magnet arrangement for generator rotorHALL VINCENT·Filed 2010·Granted Dec 25, 2012·2 cites·9 claims
- 1754US6975082B2Variable speed drive with a synchronous electric motorCRAIN STEPHEN G·Filed 2004·Granted Dec 13, 2005·9 cites·22 claims
- 1849US12416272B2Systems and methods for engine startPOLARIS INC·Filed 2022·Granted Sep 16, 2025·0 cites·13 claims
- 1946US10707741B2Voltage generator and a method of making a voltage generatorPOLARIS INC·Filed 2017·Granted Jul 7, 2020·0 cites·13 claims
- 2042US11637506B2Low loss shunt regulatorPOLARIS INC·Filed 2018·Granted Apr 25, 2023·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →