with the combustion zone at the bottom of fuel-filled conduits ending at the surface of a fuel bed

Patents Grantslast 30 patents

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    • Issue date Mar 2, 2021
    • FLSmidth A/S
    • Jesper Lebæk
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    Vertical furnace

    • Patent number 4,836,115
    • Issue date Jun 6, 1989
    • Charles E. MacArthur
    • F24 - HEATING RANGES VENTILATING
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    2086621

    • Patent number 2,086,621
    • Issue date Jul 13, 1937
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2062357

    • Patent number 2,062,357
    • Issue date Dec 1, 1936
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2057622

    • Patent number 2,057,622
    • Issue date Oct 13, 1936
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2011093

    • Patent number 2,011,093
    • Issue date Aug 13, 1935
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    1999442

    • Patent number 1,999,442
    • Issue date Apr 30, 1935
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    1983059

    • Patent number 1,983,059
    • Issue date Dec 4, 1934
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    1977951

    • Patent number 1,977,951
    • Issue date Oct 23, 1934
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    1974205

    • Patent number 1,974,205
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    1948699

    • Patent number 1,948,699
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    1743129

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    • Issue date Jan 14, 1930
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    1391381

    • Patent number 1,391,381
    • Issue date Sep 20, 1921
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    1152732

    • Patent number 1,152,732
    • Issue date Sep 7, 1915
    • F24 - HEATING RANGES VENTILATING
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    330885

    • Patent number 330,885
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Patents Applicationslast 30 patents