Patents by Inventor David P. Dougherty

David P. Dougherty 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: 5035162
    Abstract: An inner tie rod tool which facilitates removal and replacement of the inner tie rod of a rack and pinion steering mechanism of a vehicle without requiring the removal of the entire rack and pinion assembly. The inner tie rod tool includes a shaft having first and second ends and a longitudinal bore extending within the shaft. The bore defines a plurality of hexagonal sockets of various diameters being arranged coaxially adjacent to one another at the first end of the shaft adapted for use with tie rods having hexagonal ends. A claw having spaced-apart parallel jaws is attached to the first end for use with tie rods having cylindrical shaped ends with spaced-apart flat surfaces.
    Type: Grant
    Filed: May 24, 1990
    Date of Patent: July 30, 1991
    Inventor: David P. Dougherty