obtained from fused grains

Patents Grantslast 30 patents

  • Information Patent Grant

    Permeable refractory nozzle and manufacturing method

    • Patent number 6,491,190
    • Issue date Dec 10, 2002
    • Bruce E. Dunworth
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Refractory material and product thereof containing low-silica elect...

    • Patent number 5,369,066
    • Issue date Nov 29, 1994
    • Krosaki Corporation
    • Naoki Furuta
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Chromia-magnesia refractory body

    • Patent number 5,010,046
    • Issue date Apr 23, 1991
    • Norton Company
    • Anthony K. Butkus
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Rebonded fused brick

    • Patent number 4,999,325
    • Issue date Mar 12, 1991
    • David J. Michael
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Chromia-magnesia ramming cement

    • Patent number 4,507,395
    • Issue date Mar 26, 1985
    • Norton Company
    • Cecil M. Jones
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Refractory bodies for corrosive environments

    • Patent number 4,483,932
    • Issue date Nov 20, 1984
    • Norton Company
    • Malcolm E. Washburn
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Chromia magnesia refractory

    • Patent number 4,435,514
    • Issue date Mar 6, 1984
    • Norton Company
    • Stephen D. Hartline
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Refractory chrome-magnesia bricks and compositions made from granul...

    • Patent number 4,366,256
    • Issue date Dec 28, 1982
    • Osterreichisch-Amerikanische Magnesit Aktiengesellschaft
    • Gunther L. Mortl
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Magnesium aluminate spinel bond for refractory brick

    • Patent number 4,126,479
    • Issue date Nov 21, 1978
    • Kaiser Aluminum & Chemical Corporation
    • Ralph B. Videtto
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Refractory lining for a pig iron container

    • Patent number 4,023,786
    • Issue date May 17, 1977
    • Veitscher Magnesitwerke-Aktiengesellschaft
    • Hans-Jurgen Gulas
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    3751273

    • Patent number 3,751,273
    • Issue date Aug 7, 1973
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3726699

    • Patent number 3,726,699
    • Issue date Apr 10, 1973
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3589919

    • Patent number 3,589,919
    • Issue date Jun 29, 1971
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3578474

    • Patent number 3,578,474
    • Issue date May 11, 1971
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3521870

    • Patent number 3,521,870
    • Issue date Jul 28, 1970
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3427390

    • Patent number 3,427,390
    • Issue date Feb 11, 1969
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3418401

    • Patent number 3,418,401
    • Issue date Dec 24, 1968
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3384500

    • Patent number 3,384,500
    • Issue date May 21, 1968
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3328183

    • Patent number 3,328,183
    • Issue date Jun 27, 1967
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3297457

    • Patent number 3,297,457
    • Issue date Jan 10, 1967
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3285761

    • Patent number 3,285,761
    • Issue date Nov 15, 1966
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3262797

    • Patent number 3,262,797
    • Issue date Jul 26, 1966
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3245811

    • Patent number 3,245,811
    • Issue date Apr 12, 1966
    • C21 - METALLURGY OF IRON
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    3243305

    • Patent number 3,243,305
    • Issue date Mar 29, 1966
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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    3227567

    • Patent number 3,227,567
    • Issue date Jan 4, 1966
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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    3210206

    • Patent number 3,210,206
    • Issue date Oct 5, 1965
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    3116156

    • Patent number 3,116,156
    • Issue date Dec 31, 1963
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    2636827

    • Patent number 2,636,827
    • Issue date Apr 28, 1953
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents