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Cary D. Ritchey

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  • Roaring Springs, PA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    RETAINER FOR ROTATABLE CUTTING BIT
    • Publication number 20120049608
    • Publication date Mar 1, 2012
    • Kennametal Inc.
    • Cary Douglas Ritchey
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Indexable Cutting Tool System
    • Publication number 20090261646
    • Publication date Oct 22, 2009
    • Kennametal Inc.
    • Cary D. Ritchey
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Retainer for cutting bit
    • Publication number 20060238016
    • Publication date Oct 26, 2006
    • Cary D. Ritchey
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Universal bit holder block connection surface
    • Publication number 20020093240
    • Publication date Jul 18, 2002
    • Cary D. Ritchey
    • E21 - EARTH DRILLING MINING