Patents by Inventor Cortland Ratliff

Cortland Ratliff 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: 6641150
    Abstract: The inventive fabricated steer axle assembly includes an axle beam, a kingpin housing, and, a fabrication connecting the axle beam and kingpin housing. The kingpin housing comprises an open-ended cylindrical tube having a groove disposed proximate each end of the tube. The fabrication includes a first end and a second end and is bent around the kingpin housing so that the first and second ends may be attached to the axle beam. A continuous weld may be used to couple the ends of the fabrication to the axle beam and secure the ends of the fabrication together along a seam extending between the kingpin housing and the beam formed after bending the fabrication around the kingpin housing.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: November 4, 2003
    Assignee: Dana Corporation
    Inventors: Kraig Schlosser, Kent Davison, Cortland Ratliff