Patents by Inventor John F. Sharkey

John F. Sharkey 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).

  • Method of and machine for grinding a workpiece
    Patent number: 5197228
    Abstract: A method and a machine for grinding the components of a constant velocity universal joint of front wheel driven vehicles is disclosed wherein the method involves the grinding of the ball retaining grooves of the outer housing, inner race and outer race elements and the intermediate bearing retainer of the constant velocity universal joint to accommodate oversized replacement ball bearing. The machine is comprised of a rigid base, a component part holder movably supported to the base and moveable about an axis, a tool holder movably supported to the base and movable about at least on axis for accurately positioning a grinding tool within the grooves of the constant velocity joint members.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: March 30, 1993
    Assignee: Constant Velocity Systems, Inc.
    Inventors: John F. Sharkey, III, Robert J. Buck, Lawrence C. Baltazar
  • Combined clock and calendar
    Patent number: D320564
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: October 8, 1991
    Assignee: Robert Blend
    Inventor: John F. Sharkey