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Robert A. Geyer

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  • Minnetonka, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tool mounting assembly for a surface maintenance machine
    • Patent number 7,059,015
    • Issue date Jun 13, 2006
    • Tennant Company
    • Anthony John Hamline
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Brushless scrub head for surface maintenance
    • Patent number 6,896,742
    • Issue date May 24, 2005
    • Tennant Company
    • Robert A. Geyer
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Cylindrical brush idler-side taper adjustment assembly
    • Patent number 6,802,098
    • Issue date Oct 12, 2004
    • Tennant Company
    • Robert A. Geyer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Low noise fan
    • Patent number 5,967,747
    • Issue date Oct 19, 1999
    • Tennant Company
    • Steven A. Burke
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Lost motion foot pedal linkage
    • Patent number 5,873,138
    • Issue date Feb 23, 1999
    • Tennant Company
    • Robert A. Geyer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Torsionally flexible frame structure
    • Patent number 5,611,105
    • Issue date Mar 18, 1997
    • Tennant Company
    • Michael L. Blehert
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Tank configuration for a small floor scrubber
    • Patent number 5,566,422
    • Issue date Oct 22, 1996
    • Tennant Company
    • Robert A. Geyer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Scrubbing machine having offset cylindrical brushes
    • Patent number 5,515,568
    • Issue date May 14, 1996
    • Tennant Company
    • Warren L. Larson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor scrubbing machine having impact energy absorption
    • Patent number 5,483,718
    • Issue date Jan 16, 1996
    • Tennant Company
    • Michael L. Blehert
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Squeegee blade
    • Patent number 5,212,848
    • Issue date May 25, 1993
    • Tennant Company
    • Robert A. Geyer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor scrubber having laterally variable scrub brush position
    • Patent number 5,016,310
    • Issue date May 21, 1991
    • Tennant Company
    • Robert A. Geyer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Apparatus for cleaning an air filter
    • Patent number 4,787,923
    • Issue date Nov 29, 1988
    • Tennant Company
    • Mark J. Fleigle
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Scrubbing machine with selective recycle
    • Patent number 4,348,783
    • Issue date Sep 14, 1982
    • Tennant Company
    • Albert S. Swanson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Scrubbing machine with tracking squeegee
    • Patent number 4,173,056
    • Issue date Nov 6, 1979
    • Tennant Company
    • Robert A. Geyer
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents