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Sivyer Steel Corporation

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  • Milwaukee, WI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal shredder hammer
    • Patent number D426556
    • Issue date Jun 13, 2000
    • Sivyer Steel Corporation
    • Maurice R. Bradley
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hammermill
    • Patent number 5,722,607
    • Issue date Mar 3, 1998
    • Sivyer Steel Corporation
    • Uwe Hellmich
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Hammermill
    • Patent number 5,598,981
    • Issue date Feb 4, 1997
    • Sivyer Steel Corporation
    • Uwe Hellmich
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Replaceable end member for a hammermill spider
    • Patent number 5,169,077
    • Issue date Dec 8, 1992
    • Sivyer Steel Corporation
    • John C. Stelk
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Symmetrical protective cap for a rotary hammer assembly for a hamme...
    • Patent number 5,072,888
    • Issue date Dec 17, 1991
    • Sivyer Steel Corporation
    • John C. Stelk
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Heavy duty spider assembly for a hammermill
    • Patent number 5,022,593
    • Issue date Jun 11, 1991
    • Sivyer Steel Corporation
    • John C. Stelk
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Replaceable end cap assembly for the spider arm of a hammermill
    • Patent number 4,915,310
    • Issue date Apr 10, 1990
    • Sivyer Steel Corporation
    • John C. Stelk
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Replaceable protective caps for spider arms of a reversible hammer...
    • Patent number 4,519,551
    • Issue date May 28, 1985
    • Sivyer Steel Corporation
    • Kenneth Ceurvorst
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Method of attaching a protective cap to a shredder component
    • Patent number 4,290,545
    • Issue date Sep 22, 1981
    • Sivyer Steel Corporation
    • Richard P. Whitney
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Replaceable protective means for end disc of shredder
    • Patent number 4,222,530
    • Issue date Sep 16, 1980
    • Sivyer Steel Corporation
    • Richard P. Whitney
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Shredder with grate door
    • Patent number 4,146,184
    • Issue date Mar 27, 1979
    • Sivyer Steel Corporation
    • Richard P. Whitney
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Shredder with grate cartridge
    • Patent number 4,061,277
    • Issue date Dec 6, 1977
    • Sivyer Steel Corporation
    • Richard P. Whitney
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Two-piece hammer
    • Patent number 4,000,859
    • Issue date Jan 4, 1977
    • Sivyer Steel Corporation
    • Richard P. Whitney
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...

Trademarklast 30 trademarks

  • Information Trademark

    77027343 - CAST BEYOND CONVENTION
    • Serial number 77027343
    • Filing date Oct 23, 2006
    • Sivyer Steel Corporation
    • 6 - Common metals and their alloys
  • Information Trademark

    78952441 - METERRA
    • Serial number 78952441
    • Filing date Aug 15, 2006
    • Sivyer Steel Corporation
    • 6 - Common metals and their alloys
  • Information Trademark

    78952526 - METERRA
    • Serial number 78952526
    • Filing date Aug 15, 2006
    • Sivyer Steel Corporation
    • 6 - Common metals and their alloys
  • Information Trademark

    74025955 - RIVERSIDE
    • Serial number 74025955
    • Registration number 1654023
    • Filing date Feb 5, 1990
    • Sivyer Steel Corporation
    • 7 - Machines and machine tools