Cathodic cups Screens Reflectors Filters Windows Protection against mercury deposition Returning condensed electrode material to the cathodic cup Liquid electrode level control

Patents Grantslast 30 patents

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    3073983

    • Patent number 3,073,983
    • Issue date Jan 15, 1963
    • H01 - BASIC ELECTRIC ELEMENTS
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    2902618

    • Patent number 2,902,618
    • Issue date Sep 1, 1959
    • H01 - BASIC ELECTRIC ELEMENTS
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    2776392

    • Patent number 2,776,392
    • Issue date Jan 1, 1957
    • H01 - BASIC ELECTRIC ELEMENTS
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    2495831

    • Patent number 2,495,831
    • Issue date Jan 31, 1950
    • H01 - BASIC ELECTRIC ELEMENTS
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    2447637

    • Patent number 2,447,637
    • Issue date Aug 24, 1948
    • H01 - BASIC ELECTRIC ELEMENTS
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    2041595

    • Patent number 2,041,595
    • Issue date May 19, 1936
    • H01 - BASIC ELECTRIC ELEMENTS
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    2020962

    • Patent number 2,020,962
    • Issue date Nov 12, 1935
    • H01 - BASIC ELECTRIC ELEMENTS
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    1951732

    • Patent number 1,951,732
    • Issue date Mar 20, 1934
    • H01 - BASIC ELECTRIC ELEMENTS
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    1929656

    • Patent number 1,929,656
    • Issue date Oct 10, 1933
    • H01 - BASIC ELECTRIC ELEMENTS
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    1865512

    • Patent number 1,865,512
    • Issue date Jul 5, 1932
    • H01 - BASIC ELECTRIC ELEMENTS
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    1769092

    • Patent number 1,769,092
    • Issue date Jul 1, 1930
    • H01 - BASIC ELECTRIC ELEMENTS
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    1652899

    • Patent number 1,652,899
    • Issue date Dec 13, 1927
    • H01 - BASIC ELECTRIC ELEMENTS