Patents by Inventor Duane O. Watt

Duane O. Watt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Parallel shift clutch
    Patent number: 6837353
    Abstract: A torque sensitive clutch has an outer and inner sheave and a means for attaching the outer and inner sheave to each other such that the spacing, between the outer and inner sheave expands and contracts without relative rotation. The clutch system is assembled in a manner wherein all rotating force from the outer and inner sheave is transmitted to the power shalt, because the V-belt residing between the outer and inner sheaves does not slip making the clutch much more efficient.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: January 4, 2005
    Inventor: Duane O. Watt
  • Parallel shift clutch
    Publication number: 20040112705
    Abstract: A torque sensitive clutch has an outer and inner sheave and a means for attaching the outer and inner sheave to each other such that the spacing, between the outer and inner sheave expands and contracts without relative rotation. The clutch system is assembled in a manner wherein all rotating force from the outer and inner sheave is transmitted to the power shalt, because the V-belt residing between the outer and inner sheaves does not slip making the clutch much more efficient.
    Type: Application
    Filed: May 28, 2003
    Publication date: June 17, 2004
    Inventor: Duane O. Watt
  • Parallel shift clutch
    Publication number: 20040112707
    Abstract: A torque sensitive clutch has an outer and inner sheave and a means for attaching the outer and inner sheave to each other such that the spacing between the outer and inner sheave expands and contracts without relative rotation. The clutch system is assembled in a manner wherein all rotating force from the outer and inner sheave is transmitted to the power shaft, because the V-belt residing between the outer and inner sheaves does not slip making the clutch much more efficient.
    Type: Application
    Filed: December 17, 2002
    Publication date: June 17, 2004
    Inventor: Duane O. Watt