Patents by Inventor David Joe Sell

David Joe Sell 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).

  • Spline, an assembly utilizing the spline, and a method for transferring energy
    Patent number: 6547479
    Abstract: A tapered spline 16 which allows members 12, 14 to be selectively coupled and which further allows energy to be selectively communicated by and between these members 12, 14.
    Type: Grant
    Filed: February 14, 2001
    Date of Patent: April 15, 2003
    Assignee: Ford Global Technologies, Inc.
    Inventors: William Edmunds Dowling, Jr., David Joe Sell, Perry Edward Phelan, Kin Sang Yeung
  • Spline, an assembly utilizing the spline, and a method for transferring energy
    Publication number: 20020110415
    Abstract: A tapered spline 16 which allows members 12, 14 to be selectively coupled and which further allows energy to be selectively communicated by and between these members 12, 14.
    Type: Application
    Filed: February 14, 2001
    Publication date: August 15, 2002
    Inventors: William Edmunds Dowling, David Joe Sell, Perry Edward Phelan, Kin Sang Yeung
  • Surface durability roll tester
    Patent number: 6227032
    Abstract: A surface durability roll tester includes a rotatable tapered center roller and a plurality of rotatable tapered pinion rollers engaging the tapered centered roller to simulate gear teeth geometry and kinematics when the tapered center roller and the tapered pinion rollers are rotated. Sliding and Pure rolling motion can be simulated.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: May 8, 2001
    Assignee: Ford Global Technologies, Inc.
    Inventors: David Joe Sell, Perry Edward Phelan