TREA

Francis D. Haynes

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  • Etna, NH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for containing toxic spills employing hybrid thermosyphons
    • Patent number 5,339,893
    • Issue date Aug 23, 1994
    • The United States of America as represented by the Secretary of the Army
    • Francis D. Haynes
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Passive-active thermosyphon
    • Patent number 5,327,734
    • Issue date Jul 12, 1994
    • The United States of America as represented by the Secretary of the Army
    • Francis D. Haynes
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Thermosyphon condensate return device
    • Patent number 4,961,463
    • Issue date Oct 9, 1990
    • The United States of America as represented by the Secretary of the Army
    • Stephen L. DenHartog
    • F24 - HEATING RANGES VENTILATING