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Yi Qu

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  • Coppell, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air conditioner with multiple expansion devices
    • Patent number 10,801,763
    • Issue date Oct 13, 2020
    • Lennox Industries Inc.
    • Harold Gene Havard
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Controlling air conditioner modes
    • Patent number 10,458,691
    • Issue date Oct 29, 2019
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Defrost control using fan data
    • Patent number 10,352,611
    • Issue date Jul 16, 2019
    • Lennox Industries Inc.
    • Yi Qu
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Defrost operation management in heat pumps
    • Patent number 10,295,244
    • Issue date May 21, 2019
    • Lennox Industries, Inc.
    • Yi Qu
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner with multiple expansion devices
    • Patent number 10,139,143
    • Issue date Nov 27, 2018
    • Lennox Industries Inc.
    • Harold Gene Havard
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat pump comprising primary defrost operation and secondary defros...
    • Patent number 10,041,721
    • Issue date Aug 7, 2018
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Defrost operation management in heat pumps
    • Patent number 10,018,400
    • Issue date Jul 10, 2018
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Defrost operation management
    • Patent number 9,933,200
    • Issue date Apr 3, 2018
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method to control electronic expansion valve
    • Patent number 9,874,381
    • Issue date Jan 23, 2018
    • Lennox Industries Inc.
    • Yi Qu
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Controlling air conditioner modes
    • Patent number 9,810,467
    • Issue date Nov 7, 2017
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Defrost control using fan data
    • Patent number 9,803,911
    • Issue date Oct 31, 2017
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Using weather data in heat pump defrost control
    • Patent number 9,719,715
    • Issue date Aug 1, 2017
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Defrost control using fan data
    • Patent number 9,605,889
    • Issue date Mar 28, 2017
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Defrost control using fan data
    • Patent number 9,341,405
    • Issue date May 17, 2016
    • Lennox Industries Inc.
    • Yi Qu
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Method to control electronic expansion valve
    • Patent number 9,151,526
    • Issue date Oct 6, 2015
    • Lennox Industries Inc.
    • Yi Qu
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Pressure regulation of an air conditioner
    • Patent number 8,931,288
    • Issue date Jan 13, 2015
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR CONDITIONER WITH MULTIPLE EXPANSION DEVICES
    • Publication number 20190078823
    • Publication date Mar 14, 2019
    • Lennox Industries Inc.
    • Harold Gene HAVARD
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Defrost Operation Management in Heat Pumps
    • Publication number 20180306485
    • Publication date Oct 25, 2018
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Controlling Air Conditioner Modes
    • Publication number 20180051923
    • Publication date Feb 22, 2018
    • Lennox Industries Inc.
    • Yi Qu
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Defrost Control Using Fan Data
    • Publication number 20180045453
    • Publication date Feb 15, 2018
    • Lennox Industries Inc.
    • Yi Qu
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Defrost Control Using Fan Data
    • Publication number 20170191732
    • Publication date Jul 6, 2017
    • Lennox Industries Inc.
    • Yi Qu
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Defrost Control Using Fan Data
    • Publication number 20160258668
    • Publication date Sep 8, 2016
    • Lennox Industries Inc.
    • Yi Qu
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    METHOD TO CONTROL ELECTRONIC EXPANSION VALVE
    • Publication number 20150377530
    • Publication date Dec 31, 2015
    • Lennox Industries Inc.
    • Yi QU
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONER WITH MULTIPLE EXPANSION DEVICES
    • Publication number 20150168041
    • Publication date Jun 18, 2015
    • Lennox Industries Inc.
    • Harold Gene Havard
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    DEFROST OPERATION MANAGEMENT
    • Publication number 20150143825
    • Publication date May 28, 2015
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    PRESSURE REGULATION OF AN AIR CONDITIONING SYSTEM
    • Publication number 20150121908
    • Publication date May 7, 2015
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    USING WEATHER DATA IN HEAT PUMP DEFROST CONTROL
    • Publication number 20150089966
    • Publication date Apr 2, 2015
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    DEFROST OPERATION MANAGEMENT IN HEAT PUMPS
    • Publication number 20150047375
    • Publication date Feb 19, 2015
    • Lennox Industries Inc.
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    CONTROLLING AIR CONDITIONER MODES
    • Publication number 20140165612
    • Publication date Jun 19, 2014
    • Yi Qu
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Secondary Defrost for Heat Pumps
    • Publication number 20140150479
    • Publication date Jun 5, 2014
    • Yi Qu
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Defrost Control Using Fan Data
    • Publication number 20140150477
    • Publication date Jun 5, 2014
    • Yi Qu
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Pressure Regulation of an Air Conditioner
    • Publication number 20140109605
    • Publication date Apr 24, 2014
    • Yi Qu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    METHOD TO CONTROL ELECTRONIC EXPANSION VALVE
    • Publication number 20130160474
    • Publication date Jun 27, 2013
    • Lennox Industries Inc.
    • Yi Qu
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    CONTROL SYSTEM AND METHOD FOR BOTH ENERGY SAVING AND COMFORT CONTRO...
    • Publication number 20120303165
    • Publication date Nov 29, 2012
    • Lennox Industries Inc.
    • Yi Qu
    • F24 - HEATING RANGES VENTILATING