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Carl T. Crawford

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID TRANSFER PUMP CYCLE
    • Publication number 20220325931
    • Publication date Oct 13, 2022
    • Lennox Industries Inc.
    • Carl T. CRAWFORD
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEATING, VENTILATION, AIR-CONDITIONING, AND REFRIGERATION SYSTEM
    • Publication number 20210180839
    • Publication date Jun 17, 2021
    • Lennox Industries Inc.
    • Eric Berg
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEATING, VENTILATION, AIR-CONDITIONING, AND REFRIGERATION SYSTEM
    • Publication number 20210180840
    • Publication date Jun 17, 2021
    • Lennox Industries Inc.
    • Eric Berg
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    LIQUID TRANSFER PUMP CYCLE
    • Publication number 20200300523
    • Publication date Sep 24, 2020
    • Lennox Industries Inc.
    • Carl T. CRAWFORD
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HVAC Systems and Methods with Refrigerant Purge
    • Publication number 20200271343
    • Publication date Aug 27, 2020
    • Lennox Industries Inc.
    • Carl Travis Crawford
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Systems and Methods for Pumping Down Flammable Refrigerant
    • Publication number 20200240673
    • Publication date Jul 30, 2020
    • Lennox Industries Inc.
    • Carl T. Crawford
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Systems and Methods for Pumping Down Flammable Refrigerant
    • Publication number 20200240661
    • Publication date Jul 30, 2020
    • Lennox Industries Inc.
    • Carl T. Crawford
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    HEATING, VENTILATION, AIR-CONDITIONING, AND REFRIGERATION SYSTEM
    • Publication number 20190170410
    • Publication date Jun 6, 2019
    • Lennox Industries Inc.
    • Eric Berg
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    LIQUID TRANSFER PUMP CYCLE
    • Publication number 20180224175
    • Publication date Aug 9, 2018
    • Lennox Industries Inc.
    • Carl T. CRAWFORD
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Ice Deflector for a Fan Housing
    • Publication number 20180080481
    • Publication date Mar 22, 2018
    • Lennox Industries Inc.
    • Carl T. Crawford
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    ICE DEFLECTOR FOR A FAN HOUSING
    • Publication number 20150147161
    • Publication date May 28, 2015
    • Lennox Industries Inc.
    • Carl T. Crawford
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ICE DEFLECTOR FOR A FAN HOUSING
    • Publication number 20150147160
    • Publication date May 28, 2015
    • Lennox Industries Inc.
    • Carl T. Crawford
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    HEAT PUMP CONTROL SYSTEM USING PASSIVE DEFROST
    • Publication number 20110100041
    • Publication date May 5, 2011
    • Lennox Industries Inc.
    • Carl T. Crawford
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...