TREA

Bertel S. Nelson

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  • Rockford, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Zero velocity gear mesh differential
    • Patent number 5,613,919
    • Issue date Mar 25, 1997
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential gearing with phase adjustment
    • Patent number 5,415,595
    • Issue date May 16, 1995
    • Wedgtrac Corporation
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Phase adjusting mechanism
    • Patent number 4,832,658
    • Issue date May 23, 1989
    • Candy Mfg. Co., Inc.
    • Robert V. Hendershot
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shaft support system
    • Patent number 4,832,659
    • Issue date May 23, 1989
    • Candy Mfg. Co., Inc.
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Differential clutch
    • Patent number 4,788,874
    • Issue date Dec 6, 1988
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tapered worm
    • Patent number 4,739,671
    • Issue date Apr 26, 1988
    • Wedgtrac Corporation
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gear mechanism for brake adjustment
    • Patent number 4,644,812
    • Issue date Feb 24, 1987
    • Wedgtrac Corporation
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Tapered worm
    • Patent number 4,630,497
    • Issue date Dec 23, 1986
    • Wedgtrac Corporation
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Centrifugal brake assembly
    • Patent number 4,582,179
    • Issue date Apr 15, 1986
    • Wedgtrac Corporation
    • Bertel S. Nelson
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Torque limit drive transmission
    • Patent number 4,555,963
    • Issue date Dec 3, 1985
    • Wedgtrac Corporation
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Torque limit drive transmission
    • Patent number 4,481,842
    • Issue date Nov 13, 1984
    • Wedgtrac Corporation
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Floor polisher with gear drive
    • Patent number 4,237,571
    • Issue date Dec 9, 1980
    • Clarke-Gravely Corporation
    • Bertel S. Nelson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor polisher
    • Patent number 4,214,337
    • Issue date Jul 29, 1980
    • Clarke-Gravely Corporation
    • Wilfred C. Nise
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Friction drive transmission
    • Patent number 3,945,270
    • Issue date Mar 23, 1976
    • Wedgtrac Corporation
    • Bertel S. Nelson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...