Patents by Inventor Andrew Harkenrider

Andrew Harkenrider 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).

  • Automatic transmission with neutral coast down feature
    Publication number: 20070225114
    Abstract: A system for controlling the engagement and disengagement of one or more clutches that are adapted to operatively connect an engine and an automatic transmission. The system including a control device for determining if a negative torque condition exists and to provide an output or signal to decrease the rotational speed of said engine in response to the determination of the existence of a negative torque condition.
    Type: Application
    Filed: March 22, 2006
    Publication date: September 27, 2007
    Inventors: John Rzepecki, Michael Fingerman, Andrew Harkenrider, Mark Duty, Yi Cheng, Michael Plunkett