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Hvac Modulation Technologies LLC

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Records under this name other than patents Hvac Modulation Technologies LLC 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 8,173,950Single Track Optical Encoder
Formerly held
Lapsed on the fee record
Ended May 8, 2020 · High confidence
Lapsed on the fee recordEnded May 8, 2020High confidence
US 6,329,785Pulse width modulated controlled induction motor
Term ended
Term ended Feb 29, 2020 · From the USPTO record
Term endedTerm ended Feb 29, 2020From the USPTO record
US 6,329,783Apparatus for continuously variable speed electric motor applications
Term ended
Term ended Dec 30, 2019 · From the USPTO record
Term endedTerm ended Dec 30, 2019From the USPTO record
US 6,299,433Burner control
Term ended
Term ended Nov 5, 2019 · From the USPTO record
Term endedTerm ended Nov 5, 2019From the USPTO record
US 7,075,255Variable Speed Controller for a Family of Multi-Tap Motors
Lapsed on the fee record
Ended Jul 11, 2018 · High confidence
Lapsed on the fee recordEnded Jul 11, 2018High confidence
US 6,866,202Variable Output Heating and Cooling Control
Lapsed on the fee record
Ended Mar 15, 2017 · High confidence
Lapsed on the fee recordEnded Mar 15, 2017High confidence
US 6,864,659Variable Speed Controller for Air Moving Applications Using an Ac Induction Motor
Lapsed on the fee record
Ended Mar 8, 2017 · High confidence
Lapsed on the fee recordEnded Mar 8, 2017High confidence
US 6,133,699Method and apparatus for operating a plurality of motors with a single controller
Term ended
Term ended Oct 18, 2016 · From the USPTO record
Term endedTerm ended Oct 18, 2016From the USPTO record
US 7,293,718Variable Output Heating and Cooling Control
Lapsed on the fee record
Ended Nov 13, 2015 · High confidence
Lapsed on the fee recordEnded Nov 13, 2015High confidence
US 6,504,338Constant CFM Control Algorithm for an Air Moving System Utilizing a Centrifugal Blower Driven by an Induction Motor
Lapsed on the fee record
Ended Jan 7, 2015 · High confidence
Lapsed on the fee recordEnded Jan 7, 2015High confidence
10 of 24 patents shown.
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