TM4 INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2285
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 1092
 
  
 
H03K PULSE TECHNIQUE 6125
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 384
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 291
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 289
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT 173
 
  
 
B62D MOTOR VEHICLES; TRAILERS 190
 
  
 
F16H GEARING199

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0229,993 Multiple Phase Electric Machine, Drive and ControlJul 27, 15Aug 10, 17[H02M, H02P]
2017/0201,083 Power Converter Provided with Dual Function Bus BarsJun 02, 15Jul 13, 17[H02M, H02G, H05K]
2017/0018,997 LIQUID COOLED EXTERNAL ROTOR ELECTRIC MACHINEFeb 04, 15Jan 19, 17[H02K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9882465 Commutation cell, power converter and compensation circuit having dynamically controlled voltage gainsNov 12, 14Jan 30, 18[H03K, H02M]
9812987 Topology for controlled power switch moduleSep 20, 13Nov 07, 17[H03K, H02M]
9774244 Power converter configured for limiting switching overvoltageOct 28, 14Sep 26, 17[H03K, H02M]
9768693 Compensation circuit, commutation cell and power converter controlling turn-on and turn-off of a power electronic switchNov 06, 14Sep 19, 17[H03K, H02M]
9748821 Modular cooling arrangement for electric machineFeb 19, 13Aug 29, 17[H02K]
9647504 Interphase insulatorMar 14, 13May 09, 17[H02K]
9608543 Turn-off overvoltage limiting for IGBTDec 05, 12Mar 28, 17[H03K, H02M]
9397537 Cooling assembly for electric machinesNov 06, 12Jul 19, 16[H02K]
8643233 Multi-path liquid cooling arrangement for electric machinesJun 22, 09Feb 04, 14[H02K]
8601676 Insertion system and method to insert insulators and coils in the slots of the stator of an electric machineJun 28, 10Dec 10, 13[H02K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0318,742 Cooling Device with Bypass ChannelAbandonedMar 28, 12Oct 30, 14[H05K]
2014/0246,930 Cooling Assembly for Electric MachinesAbandonedNov 06, 12Sep 04, 14[H02K]
2013/0140,935 Slot Liner and Interphase Insulator CombinationAbandonedJun 10, 10Jun 06, 13[H02K]
2012/0198,962 Hybrid Vehicle TransmissionAbandonedNov 02, 10Aug 09, 12[F16H]
7471023 Electric machine provided with an internal statorExpiredAug 10, 06Dec 30, 08[H02K]
2008/0309,262 Multiple Phase Electric Motor and DriveAbandonedMay 22, 08Dec 18, 08[H02P]
2008/0023,237 Hybrid Drive Train Provided with Hub MotorsAbandonedSep 01, 05Jan 31, 08[B60K, B60L]
2007/0276,556 System and Method for Starting a Combustion Engine of a Hybrid VehicleAbandonedMar 01, 05Nov 29, 07[G06F]
2007/0079,642 Rectangular wire coiling machineAbandonedMar 29, 06Apr 12, 07[B21F]
7049725 Dynamoelectric machine stator and method for mounting prewound coils thereuntoExpiredNov 24, 03May 23, 06[H02K]
2006/0025,951 Method for calibrating a position sensor in an electric machineAbandonedJul 28, 04Feb 02, 06[G01C]
6992411 Liquid cooling arrangement for electric machinesExpiredNov 12, 04Jan 31, 06[H02K]
6984949 System and method to selectively prevent movements of an electric vehicleExpiredJun 02, 03Jan 10, 06[H02K]
2005/0284,611 Cooling device for electric circuitAbandonedJun 06, 05Dec 29, 05[F28D]
6960851 Cooling device including a biasing elementExpiredDec 02, 03Nov 01, 05[H02K]
6954368 Low stray interconnection inductance power converting molecule for converting a DC voltage into an AC voltage, and a method thereforExpiredJun 25, 97Oct 11, 05[H02M]
6434020 Apparatus and method of operating two switches connecting respectively a load to power source terminals in response to a switch control signalExpiredApr 09, 01Aug 13, 02[H02M]

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