Inventor
CRAIN STEPHEN G
US20 patents
⚠️ This page may combine multiple inventors who share the name “CRAIN STEPHEN G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLARIS INC
12 patentsUS9216637B2Dec 22, 2015
Electric vehicle
POLARIS INC10 citations92
US9644969B2May 9, 2017
Recreational vehicle interactive telemetry, mapping, and trip planning system
POLARIS INC36 citations91
US10870465B2Dec 22, 2020
Power boost regulator
POLARIS INC10 citations82
US10780949B2Sep 22, 2020
Power boost regulator
POLARIS INC11 citations82
US10793226B2Oct 6, 2020
Power boost regulator
POLARIS INC10 citations79
US10731620B2Aug 4, 2020
Battery key, starter and improved crank
POLARIS INC2 citations71
US10647324B2May 12, 2020
Systems and methods for control of two independent powertrains in a vehicle
POLARIS INC3 citations70
US12434951B2Oct 7, 2025
Winch control system
POLARIS INC1 citations56
US12319346B2Jun 3, 2025
Off-road vehicle
POLARIS INC0 citations55
US11637506B2Apr 25, 2023
Low loss shunt regulator
POLARIS INC0 citations50
US12416272B2Sep 16, 2025
Systems and methods for engine start
POLARIS INC0 citations45
US10707741B2Jul 7, 2020
Voltage generator and a method of making a voltage generator
POLARIS INC0 citations41
CRAIN STEPHEN G
2 patentsNEW GENERATION MOTORS CORP
2 patentsUS6348751B1Feb 19, 2002
Electric motor with active hysteresis-based control of winding currents and/or having an efficient stator winding arrangement and/or adjustable air gap
NEW GENERATION MOTORS CORP102 citations93
US6137203AOct 24, 2000
Electric motor with active hysteresis-based control of winding currents and/or having an efficient stator winding arrangement and/or adjustable air gap
NEW GENERATION MOTORS CORP112 citations93