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Ralph E. Christman

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  • Findlay, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fill control system for an in sink dishwasher
    • Patent number 7,185,664
    • Issue date Mar 6, 2007
    • Whirlpool Corporation
    • Ralph E. Christman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    In-sink dishwasher
    • Patent number 7,028,697
    • Issue date Apr 18, 2006
    • Whirlpool Corporation
    • Ralph E. Christman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Method for cleaning an in-sink dishwasher
    • Patent number 6,871,653
    • Issue date Mar 29, 2005
    • Whirlpool Corporation
    • Ralph E. Christman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    In-sink dishwater with self-aligning liquid feed system
    • Patent number 6,742,531
    • Issue date Jun 1, 2004
    • Whirlpool Corporation
    • Ralph E. Christman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Cycle for a dishwasher to reduce filming
    • Patent number 6,138,692
    • Issue date Oct 31, 2000
    • Whirlpool Corporation
    • Duane M. Kobos
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Wall construction for a silverware basket
    • Patent number 5,881,906
    • Issue date Mar 16, 1999
    • Whirlpool Corporation
    • Pamela Sue Rogers
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Fill Control System For An In Sink Dishwasher
    • Publication number 20060201538
    • Publication date Sep 14, 2006
    • Whirlpool Corporation
    • Ralph E. Christman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Method for cleaning an in-sink dishwasher
    • Publication number 20040194808
    • Publication date Oct 7, 2004
    • Ralph E. Christman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Fill control system for an in-sink dishwasher
    • Publication number 20030205246
    • Publication date Nov 6, 2003
    • Ralph E. Christman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    In-sink dishwasher with self-aligning liquid feed system
    • Publication number 20030205248
    • Publication date Nov 6, 2003
    • Ralph E. Christman
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...