Patents by Inventor Mieczyslaw S. Rataj

Mieczyslaw S. Rataj 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).

  • Apparatus and method for manufacturing a rock bolt
    Patent number: 7458242
    Abstract: An apparatus for manufacturing a cable bolt from a cable (1) includes first and second clamps (2, 3) adapted to releasably clamp the cable (1) with the cable (1) extending along the longitudinal axis (4) of the apparatus. A first cable displacement device (12) longitudinally displaces the first clamp (2) relative to the second clamp (3) along the longitudinal axis (4). A first clamp rotation device (14) rotates the first clamp (2) relative to the second clamp (3) about the longitudinal axis (4). The apparatus also has a second clamp displacement device (19) for simultaneously longitudinally displacing the first and second clamps (2, 3) along the longitudinal axis (4).
    Type: Grant
    Filed: September 6, 2005
    Date of Patent: December 2, 2008
    Assignee: Dywidag-Systems International Pty Limited
    Inventors: Mieczyslaw S. Rataj, Alan Henderson, Albert Taylor