Patents by Inventor Roland J. Shaw

Roland J. Shaw 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).

  • Deformed bar for adhesion and applying tension
    Patent number: 4856952
    Abstract: A rock-bolt bar having raised deformation its entire length and having an end portion threaded to receive a standard helically threaded nut. The raised deformations are all raised to the same height above a minor diameter of the bar and the depths of the threaded portions of the raised portions do not extend to the minor diameter. The equal height raised portions may be of various configurations, all extending longitudinally the entire length of the bar.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: August 15, 1989
    Assignee: Titan Mining & Engineering PTY. LTD.
    Inventor: Roland J. Shaw