TREA

Howard E. Johnson JR.

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  • Kennesaw, GA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Earth loop installed with sonic apparatus
    • Publication number 20070012446
    • Publication date Jan 18, 2007
    • Howard E. Johnson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Earth loop installed with sonic apparatus
    • Publication number 20060060353
    • Publication date Mar 23, 2006
    • Howard E. Johnson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Earth loop installation with sonic drilling
    • Publication number 20050139353
    • Publication date Jun 30, 2005
    • Howard E. Johnson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Bottom member and heat loops
    • Publication number 20040194914
    • Publication date Oct 7, 2004
    • Howard E. Johnson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Earth loop energy systems
    • Publication number 20040031585
    • Publication date Feb 19, 2004
    • Howard E. Johnson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Earth loop heat exchange methods and systems
    • Publication number 20030221870
    • Publication date Dec 4, 2003
    • Howard E. Johnson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Grout for earth heat exchange systems
    • Publication number 20030188666
    • Publication date Oct 9, 2003
    • Howard E. Johnson
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Energy systems
    • Publication number 20020104643
    • Publication date Aug 8, 2002
    • Thomas R. Amerman
    • F28 - HEAT EXCHANGE IN GENERAL