Heating or cooling means entirely surrounded by air draft passage forming casing

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for the cooling of electronic assemblies or components

    • Patent number 4,612,979
    • Issue date Sep 23, 1986
    • Siemens Aktiengesellschaft
    • Claus-Peter Heitzig
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3604505

    • Patent number 3,604,505
    • Issue date Sep 14, 1971
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    2856161

    • Patent number 2,856,161
    • Issue date Oct 14, 1958
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2212301

    • Patent number 2,212,301
    • Issue date Aug 20, 1940
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1988642

    • Patent number 1,988,642
    • Issue date Jan 22, 1935
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1856454

    • Patent number 1,856,454
    • Issue date May 3, 1932
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1833291

    • Patent number 1,833,291
    • Issue date Nov 24, 1931
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1113422

    • Patent number 1,113,422
    • Issue date Oct 13, 1914
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    1067418

    • Patent number 1,067,418
    • Issue date Jul 15, 1913
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    908200

    • Patent number 908,200
    • Issue date Dec 29, 1908
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    428756

    • Patent number 428,756
    • Issue date May 27, 1890
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    258967

    • Patent number 258,967
    • Issue date Jun 6, 1882
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    172189

    • Patent number 172,189
    • Issue date Jan 11, 1876
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    78377

    • Patent number 78,377
    • Issue date May 26, 1868
    • F24 - HEATING RANGES VENTILATING