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Anthony D. Friend

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  • Darien, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wiper seal
    • Patent number 6,626,437
    • Issue date Sep 30, 2003
    • Caterpillar Inc.
    • Anthony David Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Radial seal arrangement
    • Patent number 6,616,146
    • Issue date Sep 9, 2003
    • Caterpillar Inc.
    • Anthony D. Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wiper seal
    • Patent number 6,609,716
    • Issue date Aug 26, 2003
    • Caterpillar Inc.
    • Anthony David Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Textured seal
    • Patent number 6,139,020
    • Issue date Oct 31, 2000
    • Caterpillar Inc.
    • Anthony D. Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Unidirectional rod sealing ring for a hydraulic cylinder
    • Patent number 6,129,358
    • Issue date Oct 10, 2000
    • Caterpillar Inc.
    • Mark J. Kiesel
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shaft wiper seal
    • Patent number 6,116,613
    • Issue date Sep 12, 2000
    • Caterpillar Inc.
    • Anthony D. Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Buffer seal
    • Patent number 6,113,108
    • Issue date Sep 5, 2000
    • Caterpillar Inc.
    • Anthony D. Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rod scraper
    • Patent number 6,047,970
    • Issue date Apr 11, 2000
    • Caterpillar Inc.
    • Anthony D. Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Radial seal having a metal support
    • Patent number 6,045,137
    • Issue date Apr 4, 2000
    • Caterpillar Inc.
    • Anthony D. Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    WIPER SEAL
    • Publication number 20030164592
    • Publication date Sep 4, 2003
    • Anthony David Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WIPER SEAL
    • Publication number 20030116920
    • Publication date Jun 26, 2003
    • Caterpiller Inc.
    • Anthony David Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    RADIAL SEAL ARRANGEMENT
    • Publication number 20030102634
    • Publication date Jun 5, 2003
    • Caterpillar Inc.
    • Anthony D. Friend
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...