in casing

Patents Grantslast 30 patents

  • Information Patent Grant

    Prismatic refractory brick for glass melting furnace chambers

    • Patent number 4,540,039
    • Issue date Sep 10, 1985
    • Veitscher Magnesitwerke-Actien-Gesellschaft
    • Otto Karl
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Regenerator checker packing with enhanced transverse flow

    • Patent number 4,527,617
    • Issue date Jul 9, 1985
    • PPG Industries, Inc.
    • Robert Gagne
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3630503

    • Patent number 3,630,503
    • Issue date Dec 28, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3549136

    • Patent number 3,549,136
    • Issue date Dec 22, 1970
    • C21 - METALLURGY OF IRON
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    3489401

    • Patent number 3,489,401
    • Issue date Jan 13, 1970
    • C03 - GLASS MINERAL OR SLAG WOOL
  • Information Patent Grant

    3352549

    • Patent number 3,352,549
    • Issue date Nov 14, 1967
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3220715

    • Patent number 3,220,715
    • Issue date Nov 30, 1965
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2855192

    • Patent number 2,855,192
    • Issue date Oct 7, 1958
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2823027

    • Patent number 2,823,027
    • Issue date Feb 11, 1958
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2787458

    • Patent number 2,787,458
    • Issue date Apr 2, 1957
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2641456

    • Patent number 2,641,456
    • Issue date Jun 9, 1953
    • F28 - HEAT EXCHANGE IN GENERAL
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    2622864

    • Patent number 2,622,864
    • Issue date Dec 23, 1952
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    2493458

    • Patent number 2,493,458
    • Issue date Jan 3, 1950
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    2493470

    • Patent number 2,493,470
    • Issue date Jan 3, 1950
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    1964267

    • Patent number 1,964,267
    • Issue date Jun 26, 1934
    • F28 - HEAT EXCHANGE IN GENERAL
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    1953342

    • Patent number 1,953,342
    • Issue date Apr 3, 1934
    • C21 - METALLURGY OF IRON
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    1715969

    • Patent number 1,715,969
    • Issue date Jun 4, 1929
    • C21 - METALLURGY OF IRON
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    1703793

    • Patent number 1,703,793
    • Issue date Feb 26, 1929
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1701587

    • Patent number 1,701,587
    • Issue date Feb 12, 1929
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    1689041

    • Patent number 1,689,041
    • Issue date Oct 23, 1928
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1671098

    • Patent number 1,671,098
    • Issue date May 29, 1928
    • F28 - HEAT EXCHANGE IN GENERAL
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    1498875

    • Patent number 1,498,875
    • Issue date Jun 24, 1924
    • F28 - HEAT EXCHANGE IN GENERAL
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    1305176

    • Patent number 1,305,176
    • Issue date May 27, 1919
    • F28 - HEAT EXCHANGE IN GENERAL
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    1243484

    • Patent number 1,243,484
    • Issue date Oct 16, 1917
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    27020

    • Patent number 27,020
    • Issue date Jan 31, 1860
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents