Patents by Inventor Roy R. Wiseman, Jr.

Roy R. Wiseman, Jr. 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).

  • Grooved carbon brake discs
    Patent number: 4286694
    Abstract: Brake discs of carbon or other porous material in which the opposed faces of the discs are provided with shallow grooves extending between the inner and outer circumferences to vent steam and other gases generated during braking. The grooves of the stationary discs may be at different angles relative to the radii than are the grooves of the rotating discs.
    Type: Grant
    Filed: May 16, 1979
    Date of Patent: September 1, 1981
    Assignee: Goodyear Aerospace Corporation
    Inventors: Roy R. Wiseman, Jr., James J. Kovac