Damper-directed radiation

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    Method in the operation of a firing plant, and a firing plant for p...

    • Patent number 4,580,530
    • Issue date Apr 8, 1986
    • Henrik G. Olrik
    • F24 - HEATING RANGES VENTILATING
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    1983170

    • Patent number 1,983,170
    • Issue date Dec 4, 1934
    • F24 - HEATING RANGES VENTILATING
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    1813395

    • Patent number 1,813,395
    • Issue date Jul 7, 1931
    • F24 - HEATING RANGES VENTILATING
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    1522898

    • Patent number 1,522,898
    • Issue date Jan 13, 1925
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    1360980

    • Patent number 1,360,980
    • Issue date Nov 30, 1920
    • F22 - STEAM GENERATION
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    1159783

    • Patent number 1,159,783
    • Issue date Nov 9, 1915
    • F24 - HEATING RANGES VENTILATING
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    1141247

    • Patent number 1,141,247
    • Issue date Jun 1, 1915
    • F24 - HEATING RANGES VENTILATING
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    1102718

    • Patent number 1,102,718
    • Issue date Jul 7, 1914
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    1059378

    • Patent number 1,059,378
    • Issue date Apr 22, 1913
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    941462

    • Patent number 941,462
    • Issue date Nov 30, 1909
    • F22 - STEAM GENERATION
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    935759

    • Patent number 935,759
    • Issue date Oct 5, 1909
    • F24 - HEATING RANGES VENTILATING
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    933413

    • Patent number 933,413
    • Issue date Sep 7, 1909
    • F28 - HEAT EXCHANGE IN GENERAL
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    865023

    • Patent number 865,023
    • Issue date Sep 3, 1907
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    837844

    • Patent number 837,844
    • Issue date Dec 4, 1906
    • F22 - STEAM GENERATION
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    803027

    • Patent number 803,027
    • Issue date Oct 31, 1905
    • E21 - EARTH DRILLING MINING
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    772704

    • Patent number 772,704
    • Issue date Oct 18, 1904
    • F22 - STEAM GENERATION
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    687179

    • Patent number 687,179
    • Issue date Nov 19, 1901
    • F24 - HEATING RANGES VENTILATING
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    540407

    • Patent number 540,407
    • Issue date Jun 4, 1895
    • F24 - HEATING RANGES VENTILATING
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    487299

    • Patent number 487,299
    • Issue date Dec 6, 1892
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    450072

    • Patent number 450,072
    • Issue date Apr 7, 1891
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    423170

    • Patent number 423,170
    • Issue date Mar 11, 1890
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    418187

    • Patent number 418,187
    • Issue date Dec 31, 1889
    • F22 - STEAM GENERATION
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    382660

    • Patent number 382,660
    • Issue date May 8, 1888
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents