Patents by Inventor Kevin Lee Vaughters

Kevin Lee Vaughters 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).

  • Calibration method for transmission control clutches
    Patent number: 5842375
    Abstract: The hydraulically operated clutch elements of a powershift transmission have hold pressures and fast-fill times which are calibrated as a function of the rotation speed of an internal component of the transmission. The engine speed remains substantially constant and no or substantially no torque is transmittted to the output shaft of the transmission.
    Type: Grant
    Filed: February 18, 1997
    Date of Patent: December 1, 1998
    Assignee: Deere & Company
    Inventors: William Edward Reeves, Kevin Lee Vaughters, George William Detrick, III, Norval Thomas Gruver, Briton Todd Eastman