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Roger L. Ripert

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  • Concord, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Line removable valve structure with extensible seal rings on valve...
    • Patent number 4,431,022
    • Issue date Feb 14, 1984
    • Grove Valve and Regulator Company
    • Roger L. Ripert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Line removable valve structure with extensible seal rings on pipeli...
    • Patent number 4,387,735
    • Issue date Jun 14, 1983
    • Grove Valve and Regulator Company
    • Roger L. Ripert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fire safe seal
    • Patent number 4,345,738
    • Issue date Aug 24, 1982
    • Grove Valve and Regulator Company
    • Roger L. Ripert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Bearing retainers for a rotary valve
    • Patent number 4,337,919
    • Issue date Jul 6, 1982
    • Grove Valve and Regulator Company
    • Roger L. Ripert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Swing check valve construction
    • Patent number 4,281,680
    • Issue date Aug 4, 1981
    • Grove Valve and Regulator Company
    • Roger L. Ripert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Skirted hub with full penetration butt weld to body
    • Patent number 4,260,134
    • Issue date Apr 7, 1981
    • Grove Valve and Regulator Company
    • Roger L. Ripert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Apparatus and method for forming cylindrical valve hubs
    • Patent number 4,083,219
    • Issue date Apr 11, 1978
    • Grove Valve and Regulator Company
    • Marvin G. Combes
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...