Patents by Inventor Jon Padfield

Jon Padfield 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).

  • Reprogrammable electronic step timing control system for control of injection timing in a hydromechanical fuel supply system
    Patent number: 6314941
    Abstract: A reprogrammable electronic step timing control system having a fuel pressure threshold that is discretely variable as a function of engine speed. The fuel pressure threshold is increased for engine speeds above rated speed by a predetermined amount. A programming key is provided in a wiring harness to allow fuel pressure and speed thresholds to be readily changed.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: November 13, 2001
    Assignee: Cummin Engine Company, Inc.
    Inventors: Gary L. Gant, Brian W. Robinson, Jon Padfield, George L. Muntean