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Donald Davidshofer

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  • Mount Holly, NC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum cleaner base assembly and air passage system
    • Patent number 10,165,916
    • Issue date Jan 1, 2019
    • MIDEA AMERICA, CORP.
    • John Curtis Morphey
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor mop with concentrated cleaning feature
    • Patent number 9,743,819
    • Issue date Aug 29, 2017
    • MIDEA AMERICA, CORP.
    • Donald Joseph Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner floor seal
    • Patent number 9,675,223
    • Issue date Jun 13, 2017
    • MIDEA AMERICA, CORP.
    • Martin Shawn Egan
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Flexible scrubbing head for a floor mop
    • Patent number 9,554,686
    • Issue date Jan 31, 2017
    • Electrolux Home Care Products, Inc.
    • Donald Joseph Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner base assembly
    • Patent number 9,345,371
    • Issue date May 24, 2016
    • Electrolux Home Care Products, Inc.
    • John Curtis Morphey
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor mop with removable base plate
    • Patent number 9,179,815
    • Issue date Nov 10, 2015
    • Electrolux Home Care Products, Inc.
    • Donald Joseph Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner cyclone with helical cyclone expansion region
    • Patent number 8,997,310
    • Issue date Apr 7, 2015
    • Electrolux Home Care Products, Inc.
    • Donald Joseph Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner floor seal
    • Patent number 8,904,595
    • Issue date Dec 9, 2014
    • Electrolux Home Care Products, Inc.
    • Donald Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner with movable wheel
    • Patent number 8,656,552
    • Issue date Feb 25, 2014
    • Electrolux Home Care Products, Inc.
    • Brian Vines
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner sound reducing device
    • Patent number 8,650,707
    • Issue date Feb 18, 2014
    • Electrolux Home Care Products, Inc.
    • Thomas W. Hawkins
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner with rotating handle
    • Patent number 8,448,295
    • Issue date May 28, 2013
    • Electrolux Home Care Products, Inc.
    • Brian Vines
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner accessory valve
    • Patent number 8,234,750
    • Issue date Aug 7, 2012
    • Electrolux Home Care Products, Inc.
    • Thomas W. Hawkins
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum bag mounting and viewing features
    • Patent number 7,662,200
    • Issue date Feb 16, 2010
    • Electrolux Home Care Products, Inc.
    • Steven L. Knuth
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Dust separation system
    • Patent number 7,162,770
    • Issue date Jan 16, 2007
    • Electrolux Home Care Products Ltd.
    • Don Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM CLEANER FLOOR SEAL
    • Publication number 20150135477
    • Publication date May 21, 2015
    • Electrolux Home Care Products, Inc.
    • Donald Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    FLOOR MOP WITH REMOVABLE BASE PLATE
    • Publication number 20150089757
    • Publication date Apr 2, 2015
    • Electrolux Home Care Products, Inc.
    • Donald Joseph Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    FLOOR MOP WITH CONCENTRATED CLEANING FEATURE
    • Publication number 20150082566
    • Publication date Mar 26, 2015
    • Electrolux Home Care Products, Inc.
    • Donald Joseph Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    FLEXIBLE SCRUBBING HEAD FOR A FLOOR MOP
    • Publication number 20150082570
    • Publication date Mar 26, 2015
    • Electrolux Home Care Products, Inc.
    • Donald Joseph Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    SLIDING SCRUB BRUSH FOR A FLOOR MOP
    • Publication number 20150082565
    • Publication date Mar 26, 2015
    • Electrolux Home Care Products, Inc.
    • Saba Rizzi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM CLEANER BASE ASSEMBLY
    • Publication number 20140157541
    • Publication date Jun 12, 2014
    • Electrolux Home Care Products, Inc.
    • John Curtis Morphey
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM CLEANER AIR PASSAGE SYSTEM
    • Publication number 20140157542
    • Publication date Jun 12, 2014
    • Electrolux Home Care Products, Inc.
    • John Curtis Morphey
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM CLEANER BASE ASSEMBLY
    • Publication number 20140157543
    • Publication date Jun 12, 2014
    • Electrolux Home Care Products, Inc.
    • John Curtis Morphey
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM CLEANER CYCLONE WITH HELICAL CYCLONE EXPANSION REGION
    • Publication number 20140101889
    • Publication date Apr 17, 2014
    • Electrolux Home Care Products, Inc.
    • Donald Joseph Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    VACUUM CLEANER FLOOR SEAL
    • Publication number 20130145577
    • Publication date Jun 13, 2013
    • Electrolux Home Care Products, Inc.
    • Donald Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum Cleaner sound reducing device
    • Publication number 20130031743
    • Publication date Feb 7, 2013
    • Electrolux Home Care Products, Inc.
    • Thomas W. Hawkins
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum Cleaner with Rotating Handle
    • Publication number 20110219581
    • Publication date Sep 15, 2011
    • Electrolux Home Care Products, Inc.
    • Brian Vines
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum Cleaner with Movable Wheel
    • Publication number 20110219569
    • Publication date Sep 15, 2011
    • Electrolux Home Care Products, Inc.
    • Brian Vines
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum Cleaner Accessory Valve
    • Publication number 20100175218
    • Publication date Jul 15, 2010
    • Electrolux Home Care Products, Inc.
    • Thomas W. Hawkins
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    UPRIGHT VACUUM CLEANER
    • Publication number 20080307597
    • Publication date Dec 18, 2008
    • Donald J. DAVIDSHOFER
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum bag mounting and viewing features
    • Publication number 20070113528
    • Publication date May 24, 2007
    • Steven L. Knuth
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Dust separation system
    • Publication number 20050132529
    • Publication date Jun 23, 2005
    • Don Davidshofer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vacuum cleaner having a variable speed brushroll
    • Publication number 20040134014
    • Publication date Jul 15, 2004
    • Thomas W. Hawkins
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...