Removing sludge from generators

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    3743487

    • Patent number 3,743,487
    • Issue date Jul 3, 1973
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    3418176

    • Patent number 3,418,176
    • Issue date Dec 24, 1968
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    3414643

    • Patent number 3,414,643
    • Issue date Dec 3, 1968
    • C01 - INORGANIC CHEMISTRY
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    3104158

    • Patent number 3,104,158
    • Issue date Sep 17, 1963
    • C01 - INORGANIC CHEMISTRY
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    3035301

    • Patent number 3,035,301
    • Issue date May 22, 1962
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    2993761

    • Patent number 2,993,761
    • Issue date Jul 25, 1961
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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    2862805

    • Patent number 2,862,805
    • Issue date Dec 2, 1958
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    2309701

    • Patent number 2,309,701
    • Issue date Jan 26, 1943
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    2256407

    • Patent number 2,256,407
    • Issue date Sep 16, 1941
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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    2122889

    • Patent number 2,122,889
    • Issue date Jul 5, 1938
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    1947120

    • Patent number 1,947,120
    • Issue date Feb 13, 1934
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    1916592

    • Patent number 1,916,592
    • Issue date Jul 4, 1933
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    1809674

    • Patent number 1,809,674
    • Issue date Jun 9, 1931
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    1613310

    • Patent number 1,613,310
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    1608391

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    1590219

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    1553517

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    1543058

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    1531188

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    1252938

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    1228302

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    1193907

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    1182151

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    1150983

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    1117995

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    1108197

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    1089355

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    1078046

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    1059885

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    1044599

    • Patent number 1,044,599
    • Issue date Nov 19, 1912
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Patents Applicationslast 30 patents