TREA

Roy R. Crawford

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  • Tyler, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilation controller
    • Patent number 11,953,216
    • Issue date Apr 9, 2024
    • TRANE INTERNATIONAL INC.
    • Robert Wayne Helt
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Variable geometry of a housing for a blower assembly
    • Patent number 11,236,762
    • Issue date Feb 1, 2022
    • Johnson Controls Technology Company
    • Madhuka M. Jayarathne
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Ventilation controller
    • Patent number 11,199,334
    • Issue date Dec 14, 2021
    • TRANE INTERNATIONAL INC.
    • Robert Wayne Helt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Control of residential HVAC equipment for dehumidification
    • Patent number 10,969,123
    • Issue date Apr 6, 2021
    • TRANE INTERNATIONAL INC.
    • Wayne Kraft
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    System and method of charge management
    • Patent number 9,267,717
    • Issue date Feb 23, 2016
    • Trane International Inc.
    • Gary Lee Sapp
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Ventilation controller
    • Patent number 9,115,907
    • Issue date Aug 25, 2015
    • Trane International Inc.
    • Robert Wayne Helt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Ventilation controller
    • Patent number 8,961,282
    • Issue date Feb 24, 2015
    • Trane International Inc.
    • Robert W. Helt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Ventilation controller
    • Patent number 8,702,482
    • Issue date Apr 22, 2014
    • Trane International Inc.
    • Robert W. Helt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Humidity control for air conditioning system
    • Patent number 8,091,375
    • Issue date Jan 10, 2012
    • Trane International Inc.
    • Roy R. Crawford
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    HEAT EXCHANGER FOR HVAC SYSTEM
    • Publication number 20240053110
    • Publication date Feb 15, 2024
    • Johnson Controls Tyco IP Holdings LLP
    • Kishan Padakannaya
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HEAT PUMP CONTROL SYSTEMS AND METHODS
    • Publication number 20230243544
    • Publication date Aug 3, 2023
    • Johnson Controls Tyco IP Holdings LLP
    • Andrew Leroy Hjortland
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Ventilation Controller
    • Publication number 20220082279
    • Publication date Mar 17, 2022
    • TRANE INTERNATIONAL INC.
    • Robert Wayne Helt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    VARIABLE GEOMETRY OF A HOUSING FOR A BLOWER ASSEMBLY
    • Publication number 20200340494
    • Publication date Oct 29, 2020
    • Johnson Controls Technology Company
    • Madhuka M. Jayarathne
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Ventilation Controller
    • Publication number 20190093911
    • Publication date Mar 28, 2019
    • TRANE INTERNATIONAL INC.
    • Robert Wayne Helt
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Hybrid Residential Ground-Coupled Heat Pump
    • Publication number 20180195778
    • Publication date Jul 12, 2018
    • TRANE INTERNATIONAL INC.
    • Roy Crawford
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Control of Residential HVAC Equipment for Dehumidification
    • Publication number 20180142909
    • Publication date May 24, 2018
    • TRANE INTERNATIONAL INC.
    • Wayne Kraft
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Dehumidifier for High Airflow Rate Systems
    • Publication number 20170321907
    • Publication date Nov 9, 2017
    • Trane International Inc.
    • Roy Crawford
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    DETERMINING THE PERFORMANCE OF AN ENVIRONMENTAL SYSTEM USING A PRED...
    • Publication number 20160004798
    • Publication date Jan 7, 2016
    • Ingersoll-Rand Company
    • Roy R. Crawford
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Ventilation Controller
    • Publication number 20150253025
    • Publication date Sep 10, 2015
    • Trane International Inc.
    • Robert W. Helt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Ventilation Controller
    • Publication number 20150093984
    • Publication date Apr 2, 2015
    • Trane International Inc.
    • Robert W. Helt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Ventilation Controller
    • Publication number 20140182833
    • Publication date Jul 3, 2014
    • Robert W. Helt
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    System and Method of Charge Management
    • Publication number 20130340451
    • Publication date Dec 26, 2013
    • Trane International Inc.
    • Gary Lee Sapp
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Charge Port For Microchannel Heat Exchanger Systems
    • Publication number 20130255294
    • Publication date Oct 3, 2013
    • Trane International Inc.
    • Roy Randall Crawford
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Humidity control for air conditioning system
    • Publication number 20070261422
    • Publication date Nov 15, 2007
    • AMERICAN STANDARD INTERNATIONAL INC.
    • Roy R. Crawford
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Ventilation controller
    • Publication number 20060117769
    • Publication date Jun 8, 2006
    • American Standard International Inc
    • Robert W. Helt
    • F24 - HEATING RANGES VENTILATING