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Marathon Engine Systems, Inc.

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Records under this name other than patents Marathon Engine Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 6,274,941Process and device for dosing the thermal output of combined heat and power generation systems
Term ended
Term ended Feb 10, 2018 · From the USPTO record
Term endedTerm ended Feb 10, 2018From the USPTO record
US 4,732,007Auxiliary thermal interface to cooling/heating systems
Formerly held
Term ended
Term ended no later than Mar 22, 2008 · Low confidence
Term endedTerm ended no later than Mar 22, 2008Low confidence
US 4,886,034Internal combustion engine control system
Term ended
Term ended no later than Dec 12, 2009 · Low confidence
Term endedTerm ended no later than Dec 12, 2009Low confidence
US 4,889,280Temperature and humidity auctioneering control
Formerly held
Term ended
Term ended no later than Dec 26, 2009 · Low confidence
Term endedTerm ended no later than Dec 26, 2009Low confidence
US 4,891,955Engine suspension system
Term ended
Term ended no later than Jan 9, 2010 · Low confidence
Term endedTerm ended no later than Jan 9, 2010Low confidence
US 4,901,918Adaptive anticipator mechanism for limiting room temperature swings
Formerly held
Term ended
Term ended no later than Feb 20, 2010 · Low confidence
Term endedTerm ended no later than Feb 20, 2010Low confidence
US 4,991,400Engine driven heat pump with auxiliary generator
Term ended
Term ended no later than Feb 12, 2011 · Low confidence
Term endedTerm ended no later than Feb 12, 2011Low confidence
US 5,020,320Engine driven heat pump system
Term ended
Term ended no later than Jun 4, 2011 · Low confidence
Term endedTerm ended no later than Jun 4, 2011Low confidence
US 5,029,449Heat pump booster compressor arrangement
Term ended
Term ended no later than Jul 9, 2011 · Low confidence
Term endedTerm ended no later than Jul 9, 2011Low confidence
US 5,099,651Gas engine driven heat pump method
Term ended
Term ended no later than Mar 31, 2012 · Low confidence
Term endedTerm ended no later than Mar 31, 2012Low confidence
10 of 35 patents shown.
Pro members see all 35.
Pro members: see all 35 patents
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