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Steven L. Boomgaarden

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  • Rosemount, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Brush wear adjustment system and method
    • Patent number 7,120,961
    • Issue date Oct 17, 2006
    • Tennant Company
    • Steven L. Boomgaarden
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Street sweeper with vacuumized dust control
    • Patent number 7,086,118
    • Issue date Aug 8, 2006
    • Tennant Company
    • Gregory J. Engel
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Dual mode debris pickup machine
    • Patent number 6,389,641
    • Issue date May 21, 2002
    • Tennant Company
    • Steven L. Boomgaarden
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Storage system for vacuum pickup hose
    • Patent number 6,092,261
    • Issue date Jul 25, 2000
    • Tennant Company
    • Steven L. Boomgaarden
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Dual mode debris pickup machine
    • Patent number 5,996,172
    • Issue date Dec 7, 1999
    • Tennant Company
    • Steven L. Boomgaarden
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Hand control for manipulating vacuum pickup hose
    • Patent number 5,996,174
    • Issue date Dec 7, 1999
    • Tennant Company
    • Steven L. Boomgaarden
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Counterbalance system for pickup hose support
    • Patent number 5,983,447
    • Issue date Nov 16, 1999
    • Tennant Company
    • Steven L. Boomgaarden
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Scrubber vac-fan seal
    • Patent number 5,943,730
    • Issue date Aug 31, 1999
    • Tennant Company
    • Steven L. Boomgaarden
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Scrubbing machine with means for continuously cleaning a filter
    • Patent number 5,901,407
    • Issue date May 11, 1999
    • Tennant Company
    • Steven L. Boomgaarden
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Steerable side squeegees
    • Patent number 5,455,985
    • Issue date Oct 10, 1995
    • Tennant Company
    • Anthony J. Hamline
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Telescopic drain hose
    • Patent number 5,244,003
    • Issue date Sep 14, 1993
    • Tennant Company
    • Steven L. Boomgaarden
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents