with a small angle

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and furnace for melting inorganic materials

    • Patent number 4,921,521
    • Issue date May 1, 1990
    • Yury D. Kremenets
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Radiantly heated furnace

    • Patent number 4,676,741
    • Issue date Jun 30, 1987
    • The International Metals Reclamation Company, Inc.
    • John K. Pargeter
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Plasma melting furnace arrangement

    • Patent number 4,546,483
    • Issue date Oct 8, 1985
    • Voest-Alpine Aktiengesellschaft
    • Walter Lugscheider
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    Method for coal firing glass furnaces

    • Patent number 3,969,068
    • Issue date Jul 13, 1976
    • Tusco Engineering Co., Inc.
    • Karl A. Miller
    • F27 - FURNACES KILNS OVENS RETORTS
  • Information Patent Grant

    3785764

    • Patent number 3,785,764
    • Issue date Jan 15, 1974
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    2343337

    • Patent number 2,343,337
    • Issue date Mar 7, 1944
    • F27 - FURNACES KILNS OVENS RETORTS