the control being mechanical

Patents Grantslast 30 patents

  • Information Patent Grant

    Electric motor drive with infinitely variable speed transmission

    • Patent number 4,391,156
    • Issue date Jul 5, 1983
    • Loeffler; William R.
    • Edward C. Tibbals
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Centrifugally operated clutch and variable ratio torque multiplier

    • Patent number 4,285,422
    • Issue date Aug 25, 1981
    • Arthur P. Bentley
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2347654

    • Patent number 2,347,654
    • Issue date May 2, 1944
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2127348

    • Patent number 2,127,348
    • Issue date Aug 16, 1938
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1985359

    • Patent number 1,985,359
    • Issue date Dec 25, 1934
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    1640149

    • Patent number 1,640,149
    • Issue date Aug 23, 1927
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...