Assignee
TM4 INC
CA·37 granted patents·9 pending applications·334 citations·filing 2002–2024
Top patents by PatentIndex Score
46 records- 0193US8378534B2Liquid cooling arrangement for electric machinesTM4 INC·Filed 2010·Granted Feb 19, 2013·24 cites·28 claims
- 0293US6819016B2Liquid cooling arrangement for electric machinesTM4 INC·Filed 2002·Granted Nov 16, 2004·49 cites·12 claims
- 0391US7614910B2Electrical connectorTM4 INC·Filed 2008·Granted Nov 10, 2009·75 cites·15 claims
- 0490US10270315B2Cast cooling arrangement for electric machinesTM4 INC·Filed 2016·Granted Apr 23, 2019·7 cites·30 claims
- 0583US7898136B2Permanent magnet rotor assemblyTM4 INC·Filed 2007·Granted Mar 1, 2011·16 cites·16 claims
- 0683US7513349B2Multi-position clutchTM4 INC·Filed 2005·Granted Apr 7, 2009·8 cites·14 claims
- 0780US9774244B2Power converter configured for limiting switching overvoltageTM4 INC·Filed 2014·Granted Sep 26, 2017·5 cites·8 claims
- 0880US7900760B2Multi-position clutchTM4 INC·Filed 2009·Granted Mar 8, 2011·6 cites·32 claims
- 0980US6992411B2Liquid cooling arrangement for electric machinesTM4 INC·Filed 2004·Granted Jan 31, 2006·22 cites·9 claims
- 1079US10205405B2Turn-off overvoltage limiting for IGBTTM4 INC·Filed 2017·Granted Feb 12, 2019·3 cites·6 claims
- 1176US6960851B2Cooling device including a biasing elementTM4 INC·Filed 2003·Granted Nov 1, 2005·22 cites·28 claims
- 1275US10693408B2Multiple phase electric machine, drive and controlTM4 INC·Filed 2015·Granted Jun 23, 2020·4 cites·16 claims
- 1375US10468927B2Inserted permanent magnet rotor for an external rotor electric machineTM4 INC·Filed 2015·Granted Nov 5, 2019·2 cites·17 claims
- 1475US7471023B2Electric machine provided with an internal statorTM4 INC·Filed 2006·Granted Dec 30, 2008·11 cites·12 claims
- 1575US7049725B2Dynamoelectric machine stator and method for mounting prewound coils thereuntoTM4 INC·Filed 2003·Granted May 23, 2006·23 cites·41 claims
- 1675US2024387077A1System and method for dielectric coated busbarsTM4 INC·Filed 2024·Application pending·0 cites
- 1773US7402924B2Cooling assembly for electric machineTM4 INC·Filed 2006·Granted Jul 22, 2008·9 cites·12 claims
- 1871US9882465B2Commutation cell, power converter and compensation circuit having dynamically controlled voltage gainsTM4 INC·Filed 2014·Granted Jan 30, 2018·3 cites·17 claims
- 1969US10622881B2Circuits for softening switching phases in voltage convertersTM4 INC·Filed 2016·Granted Apr 14, 2020·2 cites·14 claims
- 2066US9608543B2Turn-off overvoltage limiting for IGBTTM4 INC·Filed 2012·Granted Mar 28, 2017·2 cites·15 claims
- 2166US7906878B2Cooling assembly for large diameter electric machinesTM4 INC·Filed 2008·Granted Mar 15, 2011·5 cites·13 claims
- 2264US9812987B2Topology for controlled power switch moduleTM4 INC·Filed 2013·Granted Nov 7, 2017·2 cites·14 claims
- 2364US9748821B2Modular cooling arrangement for electric machineTM4 INC·Filed 2013·Granted Aug 29, 2017·2 cites·14 claims
- 2464US7474021B2Cooling assembly for electric machineTM4 INC·Filed 2004·Granted Jan 6, 2009·13 cites·24 claims
- 2563US9768693B2Compensation circuit, commutation cell and power converter controlling turn-on and turn-off of a power electronic switchTM4 INC·Filed 2014·Granted Sep 19, 2017·2 cites·19 claims
- 2659US10277112B2Physical topology for a power converterTM4 INC·Filed 2016·Granted Apr 30, 2019·1 cites·16 claims
- 2756US9647504B2Interphase insulatorTM4 INC·Filed 2013·Granted May 9, 2017·1 cites·13 claims
- 2854US10587257B2Commutation cell and compensation circuit thereforTM4 INC·Filed 2014·Granted Mar 10, 2020·1 cites·13 claims
- 2952US10826353B2Liquid cooled electric machine with enclosed statorTM4 INC·Filed 2017·Granted Nov 3, 2020·0 cites·20 claims
- 3050US10714996B2External rotor electric machine with SMC blocks interposed between permanent magnetsTM4 INC·Filed 2016·Granted Jul 14, 2020·0 cites·13 claims
- 3150US7423507B2Inductance assembly for an electric machineTM4 INC·Filed 2007·Granted Sep 9, 2008·1 cites·25 claims
- 3249US2014318742A1Cooling Device with Bypass ChannelTM4 INC·Filed 2012·Application pending·0 cites
- 3348US9397537B2Cooling assembly for electric machinesTM4 INC·Filed 2012·Granted Jul 19, 2016·0 cites·16 claims
- 3445US8004142B2Stator assembly for electric machinesTM4 INC·Filed 2009·Granted Aug 23, 2011·0 cites·15 claims
- 3545US7641583B2Hybrid drive train for vehicleTM4 INC·Filed 2004·Granted Jan 5, 2010·5 cites·31 claims
- 3644US7765683B2Rotor to stator temporary interconnection element for bearingless electric machineTM4 INC·Filed 2005·Granted Aug 3, 2010·0 cites·19 claims
- 3742US2014246930A1Cooling Assembly for Electric MachinesTM4 INC·Filed 2012·Application pending·0 cites
- 3839US6984949B2System and method to selectively prevent movements of an electric vehicleTM4 INC·Filed 2003·Granted Jan 10, 2006·5 cites·23 claims
- 3938US7222686B2Drive train for series/parallel hybrid vehicleTM4 INC·Filed 2004·Granted May 29, 2007·3 cites·14 claims
- 4038US2007276556A1System and Method for Starting a Combustion Engine of a Hybrid VehicleTM4 INC·Filed 2005·Application pending·0 cites
- 4135US2005284611A1Cooling device for electric circuitTM4 INC·Filed 2005·Application pending·0 cites
- 4234US2017018997A1Liquid cooled external rotor electric machineTM4 INC·Filed 2015·Application pending·0 cites
- 4331US2018191339A1Gate Driver Controlling a Collector to Emitter Voltage Variation of an electronic Switch and Circuits Including the Gate DriverTM4 INC·Filed 2015·Application pending·0 cites
- 4431US2018233974A1Reluctance Assisted External Rotor PMSMTM4 INC·Filed 2015·Application pending·0 cites
- 4529US10468971B2Power converter configured for limiting switching overvoltageTM4 INC·Filed 2016·Granted Nov 5, 2019·0 cites·13 claims
- 4625US2017201083A1Power Converter Provided with Dual Function Bus BarsTM4 INC·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →