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Robert C. Berfield

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  • Jersey Shore, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hose holder
    • Patent number 7,513,464
    • Issue date Apr 7, 2009
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Rotary flail feeding device
    • Patent number 7,395,601
    • Issue date Jul 8, 2008
    • Robert C. Berfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Hose holder
    • Patent number 7,191,989
    • Issue date Mar 20, 2007
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Wall mounted tool holder
    • Patent number 7,100,776
    • Issue date Sep 5, 2006
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Tool holder
    • Patent number D525114
    • Issue date Jul 18, 2006
    • Robert C. Berfield
    • D08 - Tools and hardware
  • Information Patent Grant

    Vacuum cleaner with muffled detachable blower exhaust
    • Patent number 6,530,116
    • Issue date Mar 11, 2003
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Pump having dynamic shaft seal
    • Patent number 6,508,618
    • Issue date Jan 21, 2003
    • Shop-Vac Corporation
    • Robert C. Berfield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Convertible blower port for vacuum cleaner
    • Patent number 6,499,182
    • Issue date Dec 31, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Axle and wheel mounting system for a wet/dry vacuum cleaner
    • Patent number 6,494,544
    • Issue date Dec 17, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Vaneless impeller housing for a vacuum cleaner
    • Patent number 6,485,259
    • Issue date Nov 26, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Rotary flail feeding device and method
    • Patent number 6,481,107
    • Issue date Nov 19, 2002
    • Robert C. Berfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Self-evacuating vacuum cleaner
    • Patent number 6,481,049
    • Issue date Nov 19, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Swivel coupling for a hose
    • Patent number 6,478,342
    • Issue date Nov 12, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Fitting for vacuum bags
    • Patent number 6,451,078
    • Issue date Sep 17, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner filter assembly
    • Patent number 6,440,191
    • Issue date Aug 27, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Nozzle and method providing increased liquid lift height for a wet/...
    • Patent number 6,440,227
    • Issue date Aug 27, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Rotary flail feeding device
    • Patent number 6,385,853
    • Issue date May 14, 2002
    • Robert C. Berfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Grant

    Vacuum cleaner
    • Patent number 6,381,803
    • Issue date May 7, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Pump inlet fitting
    • Patent number 6,378,164
    • Issue date Apr 30, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner hose clip
    • Patent number 6,367,118
    • Issue date Apr 9, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vaneless impeller housing for a vacuum cleaner
    • Patent number 6,358,005
    • Issue date Mar 19, 2002
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Self-evacuating vacuum cleaner
    • Patent number 6,347,430
    • Issue date Feb 19, 2002
    • Shop-Vac Corporation
    • Randy L. Buss
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Debris access door
    • Patent number 6,309,469
    • Issue date Oct 30, 2001
    • Shop-Vac Corporation
    • Charles M. Storrs
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vaneless impeller housing for a vacuum cleaner
    • Patent number 6,264,427
    • Issue date Jul 24, 2001
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Pump having sealless shaft
    • Patent number 6,249,933
    • Issue date Jun 26, 2001
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Self-evacuating vacuum cleaner
    • Patent number 6,226,831
    • Issue date May 8, 2001
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    User-carried vacuum cleaner
    • Patent number 6,151,749
    • Issue date Nov 28, 2000
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Self-evacuating vacuum cleaner
    • Patent number 6,119,304
    • Issue date Sep 19, 2000
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Outlet priming self-evacuation vacuum cleaner
    • Patent number 6,112,366
    • Issue date Sep 5, 2000
    • Shop-Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Switch assembly having an enlarged actuation surface
    • Patent number 6,107,583
    • Issue date Aug 22, 2000
    • Shop-Vac Corporation
    • Robert C. Berfield
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotary Flail Feeding Device and Method
    • Publication number 20080098606
    • Publication date May 1, 2008
    • Robert C. Berfield
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    Hose holder
    • Publication number 20050211854
    • Publication date Sep 29, 2005
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Wall mounted tool holder
    • Publication number 20050194332
    • Publication date Sep 8, 2005
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CONVERTIBLE BLOWER PORT FOR VACUUM CLEANER
    • Publication number 20020178533
    • Publication date Dec 5, 2002
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Rotary flail feeding device and method
    • Publication number 20020129498
    • Publication date Sep 19, 2002
    • Robert C. Berfield
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Vacuum cleaner with muffled detachable blower exhaust
    • Publication number 20020108205
    • Publication date Aug 15, 2002
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Self-evacuating vacuum cleaner
    • Publication number 20020108204
    • Publication date Aug 15, 2002
    • Shop Vac Corporation
    • Randy L. Buss
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Vaneless impeller housing for a vacuum cleaner
    • Publication number 20010041135
    • Publication date Nov 15, 2001
    • Shop Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Pump having sealless shaft
    • Publication number 20010009051
    • Publication date Jul 26, 2001
    • Shop Vac Corporation
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Fitting for vacuum bags
    • Publication number 20010005983
    • Publication date Jul 5, 2001
    • Robert C. Berfield
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DEBRIS ACCESS DOOR
    • Publication number 20010001337
    • Publication date May 24, 2001
    • Charles M. Storrs Et Al
    • CHARLES M. STORRS
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...