adapted for use in various steam boilers

Patents Grantslast 30 patents

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    3727562

    • Patent number 3,727,562
    • Issue date Apr 17, 1973
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    3540387

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    • Issue date Nov 17, 1970
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    3199852

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    • Issue date Aug 10, 1965
    • C21 - METALLURGY OF IRON
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    3198855

    • Patent number 3,198,855
    • Issue date Aug 3, 1965
    • C21 - METALLURGY OF IRON
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    2967133

    • Patent number 2,967,133
    • Issue date Jan 3, 1961
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2879726

    • Patent number 2,879,726
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    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2469639

    • Patent number 2,469,639
    • Issue date May 10, 1949
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2468415

    • Patent number 2,468,415
    • Issue date Apr 26, 1949
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2467805

    • Patent number 2,467,805
    • Issue date Apr 19, 1949
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2452843

    • Patent number 2,452,843
    • Issue date Nov 2, 1948
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2388976

    • Patent number 2,388,976
    • Issue date Nov 13, 1945
    • C07 - ORGANIC CHEMISTRY
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    2384588

    • Patent number 2,384,588
    • Issue date Sep 11, 1945
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2374707

    • Patent number 2,374,707
    • Issue date May 1, 1945
    • F24 - HEATING RANGES VENTILATING
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    2367558

    • Patent number 2,367,558
    • Issue date Jan 16, 1945
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2347574

    • Patent number 2,347,574
    • Issue date Apr 25, 1944
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    2336236

    • Patent number 2,336,236
    • Issue date Dec 7, 1943
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    2287338

    • Patent number 2,287,338
    • Issue date Jun 23, 1942
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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    2222893

    • Patent number 2,222,893
    • Issue date Nov 26, 1940
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents