the transfer fluid being air

Industry

  • CPC
  • F24H7/0483
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat storing fireplace

    • Patent number 4,270,512
    • Issue date Jun 2, 1981
    • Robert E. Van Der Maas
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1381490

    • Patent number 1,381,490
    • Issue date Jun 14, 1921
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents