Saddles or like directing plates fitted to furnace tubes

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    1992193

    • Patent number 1,992,193
    • Issue date Feb 26, 1935
    • F22 - STEAM GENERATION
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    1940070

    • Patent number 1,940,070
    • Issue date Dec 19, 1933
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    1929555

    • Patent number 1,929,555
    • Issue date Oct 10, 1933
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    1816335

    • Patent number 1,816,335
    • Issue date Jul 28, 1931
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    1811592

    • Patent number 1,811,592
    • Issue date Jun 23, 1931
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    1707337

    • Patent number 1,707,337
    • Issue date Apr 2, 1929
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    1545303

    • Patent number 1,545,303
    • Issue date Jul 7, 1925
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    1443846

    • Patent number 1,443,846
    • Issue date Jan 30, 1923
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    1441105

    • Patent number 1,441,105
    • Issue date Jan 2, 1923
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    1439278

    • Patent number 1,439,278
    • Issue date Dec 19, 1922
    • F22 - STEAM GENERATION
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    1350200

    • Patent number 1,350,200
    • Issue date Aug 17, 1920
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    1278478

    • Patent number 1,278,478
    • Issue date Sep 10, 1918
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    1179141

    • Patent number 1,179,141
    • Issue date Apr 11, 1916
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    1083281

    • Patent number 1,083,281
    • Issue date Jan 6, 1914
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    829970

    • Patent number 829,970
    • Issue date Sep 4, 1906
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    807586

    • Patent number 807,586
    • Issue date Dec 19, 1905
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    472731

    • Patent number 472,731
    • Issue date Apr 12, 1892
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    466780

    • Patent number 466,780
    • Issue date Jan 12, 1892
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    454140

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    • Issue date Jun 16, 1891
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    451742

    • Patent number 451,742
    • Issue date May 5, 1891
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    178244

    • Patent number 178,244
    • Issue date Jun 6, 1876
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    91247

    • Patent number 91,247
    • Issue date Jun 15, 1869
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