Patents by Inventor Robert John Rex

Robert John Rex 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).

  • Resilient railway fastening clip resisting loosening or removal
    Patent number: 5820021
    Abstract: A resilient clip (30) to engage an insert (42) of a resilient fastening system for a rail. The clip (30) is formed of metal strip (31) so as to be of a "U-shaped" configuration. Each extremity (33, 34) is bifurcated so that pairs of arms (45, 47) are provided. Each of the arms (45, 47) is provided with an abutment surface (39, 40) which engages the shank (43) of the insert (42) to inhibit removal of the clip (30).
    Type: Grant
    Filed: September 5, 1996
    Date of Patent: October 13, 1998
    Inventor: Robert John Rex