Patents by Inventor John Slater Tuson

John Slater Tuson 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).

  • Patent number: 6231474
    Abstract: A method/system for controlling downshifting in an automated mechanical transmission system (10) utilized on a vehicle having a manually controlled engine brake (46) and foot brake (44) system. The engine speed at which downshifts are commanded (ESD/S) is modified as a function of sensed operation of the engine brake (EB?) and foot brake (FB) systems.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: May 15, 2001
    Assignee: Eaton Corporation
    Inventors: Jeffrey Philip Hawarden, John Slater Tuson, David Edward Gibbons, Robert Stanley Wheeler, Anthony Stasik