List of TM4 patents

Patents where

Current Assignee

Name

TM4

Name	Description	Patent Applicant	Current Assignee	Patent Jurisdiction	Patent Number	Date of Patent
‌ US Patent 8378534 Liquid cooling arrangement for electric machines	Patent 8378534 was granted and assigned to TM4 on February, 2013 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	8378534	February 19, 2013
‌ US Patent 7513349 Multi-position clutch	Patent 7513349 was granted and assigned to TM4 on April, 2009 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	7513349	April 7, 2009
‌ US Patent 7474021 Cooling assembly for electric machine	Patent 7474021 was granted and assigned to TM4 on January, 2009 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	7474021	January 6, 2009
‌ US Patent 7471023 Electric machine provided with an internal stator	Patent 7471023 was granted and assigned to TM4 on December, 2008 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	7471023	December 30, 2008
‌ US Patent 7423507 Inductance assembly for an electric machine	Patent 7423507 was granted and assigned to TM4 on September, 2008 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	7423507	September 9, 2008
‌ US Patent 10270315 Cast cooling arrangement for electric machines	Patent 10270315 was granted and assigned to TM4 on April, 2019 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	10270315	April 23, 2019
‌ US Patent 7641583 Hybrid drive train for vehicle	Patent 7641583 was granted and assigned to TM4 on January, 2010 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	7641583	January 5, 2010
‌ US Patent 8643233 Multi-path liquid cooling arrangement for electric machines	Patent 8643233 was granted and assigned to TM4 on February, 2014 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	8643233	February 4, 2014
‌ US Patent 7898136 Permanent magnet rotor assembly	Patent 7898136 was granted and assigned to TM4 on March, 2011 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	7898136	March 1, 2011
‌ US Patent 10468971 Power converter configured for limiting switching overvoltage	Patent 10468971 was granted and assigned to TM4 on November, 2019 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	10468971	November 5, 2019
‌ US Patent 8004142 Stator assembly for electric machines	Patent 8004142 was granted and assigned to TM4 on August, 2011 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	8004142	August 23, 2011
‌ US Patent 9608543 Turn-off overvoltage limiting for IGBT	Patent 9608543 was granted and assigned to TM4 on March, 2017 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	9608543	March 28, 2017
‌ US Patent 7900760 Multi-position clutch	Patent 7900760 was granted and assigned to TM4 on March, 2011 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	7900760	March 8, 2011
‌ US Patent 9812987 Topology for controlled power switch module	Patent 9812987 was granted and assigned to TM4 on November, 2017 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	9812987	November 7, 2017
‌ US Patent 10205405 Turn-off overvoltage limiting for IGBT	Patent 10205405 was granted and assigned to TM4 on February, 2019 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	10205405	February 12, 2019
‌ US Patent 10587257 Commutation cell and compensation circuit therefor	Patent 10587257 was granted and assigned to TM4 on March, 2020 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	10587257	March 10, 2020
‌ US Patent 10622881 Circuits for softening switching phases in voltage converters		TM4	TM4	United States Patent and Trademark Office	10622881	April 14, 2020
‌ US Patent 9748821 Modular cooling arrangement for electric machine	Patent 9748821 was granted and assigned to TM4 on August, 2017 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	9748821	August 29, 2017
‌ US Patent 9882465 Commutation cell, power converter and compensation circuit having dynamically controlled voltage gains	Patent 9882465 was granted and assigned to TM4 on January, 2018 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	9882465	January 30, 2018
‌ US Patent 7765683 Rotor to stator temporary interconnection element for bearingless electric machine	Patent 7765683 was granted and assigned to TM4 on August, 2010 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	7765683	August 3, 2010
‌ US Patent 10277112 Physical topology for a power converter	Patent 10277112 was granted and assigned to TM4 on April, 2019 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	10277112	April 30, 2019
‌ US Patent 9397537 Cooling assembly for electric machines	Patent 9397537 was granted and assigned to TM4 on July, 2016 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	9397537	July 19, 2016
‌ US Patent 9647504 Interphase insulator	Patent 9647504 was granted and assigned to TM4 on May, 2017 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	9647504	May 9, 2017
‌ US Patent 9774244 Power converter configured for limiting switching overvoltage	Patent 9774244 was granted and assigned to TM4 on September, 2017 by the United States Patent and Trademark Office.	TM4	TM4	United States Patent and Trademark Office	9774244	September 26, 2017
‌ US Patent 7906878 Cooling assembly for large diameter electric machines	Patent 7906878 was granted and assigned to TM4 on March, 2011 by the United States Patent and Trademark Office.		TM4	United States Patent and Trademark Office	7906878	March 15, 2011

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