Patents by Inventor Jon Jeffries

Jon Jeffries 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).

  • Poppet valve operating system for internal combustion engine
    Patent number: 7412952
    Abstract: A poppet valve operating system for an internal combustion engine includes poppet valves which are driven by rocker arms rotationally mounted to a rocker shaft. Each of the rocker arms is maintained in axial alignment upon the rocker shaft by a separate, resiliently biased telescoping pin housed in the rocker arm body. The rocker arm pins extend into indexing reliefs formed in the outer cylindrical surface of the rocker shaft.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: August 19, 2008
    Assignee: Ford Global Technologies, LLC
    Inventors: Jon Jeffries, Todd Brewer
  • POPPET VALVE OPERATING SYSTEM FOR INTERNAL COMBUSTION ENGNIE
    Publication number: 20080135000
    Abstract: A poppet valve operating system for an internal combustion engine includes poppet valves which are driven by rocker arms rotationally mounted to a rocker shaft. Each of the rocker arms is maintained in axial alignment upon the rocker shaft by a separate, resiliently biased telescoping pin housed in the rocker arm body. The rocker arm pins extend into indexing reliefs formed in the outer cylindrical surface of the rocker shaft.
    Type: Application
    Filed: December 8, 2006
    Publication date: June 12, 2008
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Jon Jeffries, Todd Brewer