in shaft furnaces

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  • C22B15/0032
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Patents Grantslast 30 patents

  • Information Patent Grant

    Processes for preparing various metals and derivatives thereof from...

    • Patent number 10,337,083
    • Issue date Jul 2, 2019
    • 5N PLUS INC.
    • Pascal Coursol
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method and arrangement for refining copper concentrate

    • Patent number 9,580,771
    • Issue date Feb 28, 2017
    • Outotec (Finland) Oy
    • Tapio Ahokainen
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Pyrometallurgical smelting method of copper

    • Patent number 5,912,401
    • Issue date Jun 15, 1999
    • Nippon Mining & Metals Co., Ltd.
    • Takayoshi Fujii
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Shaft furnace

    • Patent number 5,890,889
    • Issue date Apr 6, 1999
    • Cyprus Amax Minerals Company
    • Richard A. Barstow
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for melting and refining copper metal

    • Patent number 4,959,102
    • Issue date Sep 25, 1990
    • Southwire Company
    • James H. Clarkson
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Vertical shaft melting furnace and method of melting

    • Patent number 4,877,449
    • Issue date Oct 31, 1989
    • Institute of Gas Technology
    • Mark J. Khinkis
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method to protect the surface of metal in vertical melting furnaces

    • Patent number 4,828,609
    • Issue date May 9, 1989
    • Liquid Air Corporation
    • Sara H. Anderson
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Copper smelting combined with slag cleaning

    • Patent number 4,802,916
    • Issue date Feb 7, 1989
    • Inco Limited
    • Grigori S. Victorovich
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Copper smelting with calcareous flux

    • Patent number 4,802,917
    • Issue date Feb 7, 1989
    • Inco Limited
    • Grigori S. Victorovich
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Inert gas purging during shaft furnace shut down

    • Patent number 4,795,490
    • Issue date Jan 3, 1989
    • Essex Group, Inc.
    • James H. Leckie
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Tank furnace for the metallurgical treatment of non-ferrous metals

    • Patent number 4,773,630
    • Issue date Sep 27, 1988
    • Shamprogetti S.p.A.
    • Antonio Carminati
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for recovering the valuable metal content of contaminated co...

    • Patent number 4,608,083
    • Issue date Aug 26, 1986
    • Boliden Aktiebolag
    • Sven A. Holmstrom
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method and apparatus for simultaneously separating volatile and non...

    • Patent number 4,606,760
    • Issue date Aug 19, 1986
    • Huron Valley Steel Corp.
    • Leonard Fritz
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Dual fuel burner for metal melting furnaces

    • Patent number 4,402,740
    • Issue date Sep 6, 1983
    • Southwire Company
    • David F. Arp
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Continuous melting and refining of secondary and/or blister copper

    • Patent number 4,315,775
    • Issue date Feb 16, 1982
    • Southwire Company
    • Robert R. Odle
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Melting furnace for granulated metal

    • Patent number 4,311,519
    • Issue date Jan 19, 1982
    • Southwire Company
    • Milton E. Berry
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for treating sulfide raw materials

    • Patent number 4,300,949
    • Issue date Nov 17, 1981
    • Konstantin I. Ushakov
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Continuous smelting and refining of cement copper

    • Patent number 4,090,870
    • Issue date May 23, 1978
    • Compania de Acero del Pacifico S.A.
    • Douglas Pollock
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Production of blister copper in a rotary furnace from calcined copp...

    • Patent number 4,072,507
    • Issue date Feb 7, 1978
    • Amax Inc.
    • Harold P. Rajcevic
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Cupola furnace to enable continuous smelting and refining of cement...

    • Patent number 4,056,262
    • Issue date Nov 1, 1977
    • Compania de Acero del Pacifico S.A.
    • Douglas Pollock
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Production of blister copper directly from dead roasted-copper-iron...

    • Patent number 4,006,010
    • Issue date Feb 1, 1977
    • Amax Inc.
    • Harold P. Rajcevic
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3912499

    • Patent number 3,912,499
    • Issue date Oct 14, 1975
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3849120

    • Patent number 3,849,120
    • Issue date Nov 19, 1974
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3715203

    • Patent number 3,715,203
    • Issue date Feb 6, 1973
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3473918

    • Patent number 3,473,918
    • Issue date Oct 21, 1969
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3366465

    • Patent number 3,366,465
    • Issue date Jan 30, 1968
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3231370

    • Patent number 3,231,370
    • Issue date Jan 25, 1966
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3199977

    • Patent number 3,199,977
    • Issue date Aug 10, 1965
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2658827

    • Patent number 2,658,827
    • Issue date Nov 10, 1953
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2209481

    • Patent number 2,209,481
    • Issue date Jul 30, 1940
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents