TREA

David R. Hult

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  • St. Charles County, MO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wet/dry vacuum drain system
    • Patent number 6,347,429
    • Issue date Feb 19, 2002
    • Emerson Electric Co.
    • David R. Hult
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Combined wet/dry vacuum cleaner dolly and accessory storage unit
    • Patent number D447609
    • Issue date Sep 4, 2001
    • Emerson Electric Co.
    • David R. Hult
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Combined wet and dry vacuum cleaner
    • Patent number D443739
    • Issue date Jun 12, 2001
    • Emerson Electric Co.
    • Jeffrey L. Young
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Wet/dry vacuum dolly
    • Patent number 6,237,187
    • Issue date May 29, 2001
    • Emerson Electric Co.
    • David R. Hult
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Secure hose locking device
    • Patent number 6,115,881
    • Issue date Sep 12, 2000
    • Emerson Electric Co.
    • David R. Hult
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Wet/dry vacuum with non-cylindrical canister
    • Patent number 5,996,170
    • Issue date Dec 7, 1999
    • Emerson Electric Co.
    • Joseph T. Gierer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Muffler
    • Patent number 5,765,257
    • Issue date Jun 16, 1998
    • Emerson Electric Co.
    • Christopher J. Steger
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Two stage vacuum cleaner filter
    • Patent number 5,733,351
    • Issue date Mar 31, 1998
    • Emerson Electric Co.
    • David R. Hult
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vacuum cleaner nozzle
    • Patent number D392780
    • Issue date Mar 24, 1998
    • Emerson Electric Co.
    • Stuart V. Holsten
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Portable electric tool vac
    • Patent number D386842
    • Issue date Nov 25, 1997
    • Emerson Electric Co.
    • Kiyoshi Hoshino
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Method of assembling an electric motor
    • Patent number 5,487,213
    • Issue date Jan 30, 1996
    • Emerson Electric Co.
    • David R. Hult
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Snap together wet nozzle
    • Patent number 5,419,007
    • Issue date May 30, 1995
    • Emerson Electric Co.
    • David R. Hult
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Portable hand held vacuum cleaner
    • Patent number 5,025,529
    • Issue date Jun 25, 1991
    • Emerson Electric Co.
    • David R. Hult
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Portable hand held vacuum cleaner
    • Patent number 4,993,106
    • Issue date Feb 19, 1991
    • Emerson Electric Co.
    • David R. Hult
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner squeegee attachment
    • Patent number D311797
    • Issue date Oct 30, 1990
    • Emerson Electric Co.
    • David R. Hult
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Portable hand held vacuum cleaner
    • Patent number 4,920,608
    • Issue date May 1, 1990
    • Emerson Electric Co.
    • David R. Hult
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Wheeled hand cart for wet/dry utility vacuum cleaner
    • Patent number 4,888,849
    • Issue date Dec 26, 1989
    • Emerson Electric Co.
    • David R. Hult
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Multi-purpose floor cleaning tool
    • Patent number 4,864,681
    • Issue date Sep 12, 1989
    • Emerson Electric Co.
    • David R. Hult
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...