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Douglas C. Barker

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  • Canton, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Surgical helmet
    • Patent number 11,793,250
    • Issue date Oct 24, 2023
    • Zimmer, Inc.
    • Ganesh B Pavalarajan
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Surgical helmet
    • Patent number 11,284,655
    • Issue date Mar 29, 2022
    • Zimmer, Inc.
    • Ganesh B Pavalarajan
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Surgical helmet
    • Patent number 10,687,568
    • Issue date Jun 23, 2020
    • Zimmer, Inc.
    • Ganesh B Pavalarajan
    • A41 - WEARING APPAREL
  • Information Patent Grant

    Dermatome blade assembly
    • Patent number 8,002,779
    • Issue date Aug 23, 2011
    • Zimmer Surgical, Inc.
    • Douglas C. Barker
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Suction nozzle assembly for a cleaning apparatus
    • Patent number 7,367,083
    • Issue date May 6, 2008
    • Healthy Gain Investments, Ltd.
    • Douglas C. Barker
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Removable hose and tool caddy
    • Patent number 7,039,985
    • Issue date May 9, 2006
    • The Hoover Company
    • Timothy B. Hisrich
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hand held turbine powered extractor nozzle
    • Patent number 6,134,746
    • Issue date Oct 24, 2000
    • The Hoover Company
    • Daniel R. Miller
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Compact carpet and upholstery extractor
    • Patent number 6,108,860
    • Issue date Aug 29, 2000
    • The Hoover Company
    • Darwin S. Crouser
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Wheel driven suction nozzle
    • Patent number 5,960,514
    • Issue date Oct 5, 1999
    • The Hoover Company
    • Daniel R. Miller
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hard bag door with air directing arrangement
    • Patent number 5,961,676
    • Issue date Oct 5, 1999
    • The Hoover Company
    • Douglass A. King
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Compact carpet and upholstery extractor
    • Patent number 5,870,798
    • Issue date Feb 16, 1999
    • The Hoover Company
    • Darwin S. Crouser
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hand held turbine powered extractor nozzle
    • Patent number 5,867,864
    • Issue date Feb 9, 1999
    • The Hoover Company
    • Daniel R. Miller
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Carpet extractor
    • Patent number D398100
    • Issue date Sep 8, 1998
    • The Hoover Company
    • Ronald J. Stephens
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Air turbine
    • Patent number 5,443,362
    • Issue date Aug 22, 1995
    • The Hoover Company
    • Timothy E. Crites
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SURGICAL HELMET
    • Publication number 20220038314
    • Publication date Feb 3, 2022
    • Zimmer, Inc.
    • Ganesh B. Pavalarajan
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    AUTOMATIC CUFF IDENTIFICATION SYSTEM AND METHOD
    • Publication number 20210251500
    • Publication date Aug 19, 2021
    • Zimmer, Inc.
    • Paresh M. Vasandani
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    SURGICAL HELMET
    • Publication number 20200268073
    • Publication date Aug 27, 2020
    • Zimmer, Inc.
    • Ganesh B. Pavalarajan
    • A41 - WEARING APPAREL
  • Information Patent Application

    SURGICAL HELMET
    • Publication number 20180084848
    • Publication date Mar 29, 2018
    • Ganesh B. Pavalarajan
    • A41 - WEARING APPAREL
  • Information Patent Application

    DERMATOME BLADE ASSEMBLY
    • Publication number 20110276060
    • Publication date Nov 10, 2011
    • ZIMMER SURGICAL, INC.
    • Douglas C. Barker
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Dermatome Blade Assembly
    • Publication number 20090157095
    • Publication date Jun 18, 2009
    • ZIMMER ORTHOPAEDIC SURGICAL PRODUCTS, INC.
    • Douglas C. Barker
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Suction nozzle assembly for a cleaning apparatus
    • Publication number 20050283936
    • Publication date Dec 29, 2005
    • The Hoover Company
    • Douglas C. Barker
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...