Oscar R. Dufau

Person

  • Fullerton, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Adjustable flush valve

    • Patent number 5,966,749
    • Issue date Oct 19, 1999
    • Fluidmaster, Inc.
    • Kent Goesling
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Cleaner injector system

    • Patent number 5,042,095
    • Issue date Aug 27, 1991
    • Fluidmaster, Inc.
    • Adolf Schoepe
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Faucet handle universal coupling

    • Patent number 5,025,826
    • Issue date Jun 25, 1991
    • Adolf Schoepe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flush valve for toilets

    • Patent number D309938
    • Issue date Aug 14, 1990
    • Fluidmaster, Inc.
    • Adolf Schoepe
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Low noise toilet tank valve

    • Patent number 4,938,245
    • Issue date Jul 3, 1990
    • Fluidmaster, Inc.
    • Adolf Schoepe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    In-field installable closing delay cup

    • Patent number 4,907,302
    • Issue date Mar 13, 1990
    • Fluidmaster Inc.
    • Adolf Schoepe
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Air regulated cleaner discharge device for toilets and the like

    • Patent number 4,760,612
    • Issue date Aug 2, 1988
    • Fluidmaster, Inc.
    • Oscar R. Dufau
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Ballcock float structure

    • Patent number 4,703,653
    • Issue date Nov 3, 1987
    • Fluidmaster, Inc.
    • Adolf Schoepe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure activated cleaner discharge for toilets and the like

    • Patent number 4,656,676
    • Issue date Apr 14, 1987
    • Fluidmaster, Inc.
    • Oscar R. Dufau
    • E03 - WATER SUPPLY SEWERAGE