Patents by Inventor Fredric C. Delabbio

Fredric C. Delabbio 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).

  • Tractor for remote movement and pressurization of a rock drill
    Patent number: 5752572
    Abstract: The invention provides a tractor for locomoting a drilling apparatus. The tractor includes a retractable body for transporting and pressurizing a drill attached to a front drilling end of the retractable body. The retractable body is longitudinally extended and contracted for length adjustment. A drill stabilizer is attached to a rear trailing end of the retractable body. The drill stabilizer is extended to secure said retractable body during drilling and retracted for allowing movement of the rear trailing end of the retractable body. A position stabilizer is attached to the front drilling end of the retractable body. The position stabilizer is transversely extendable against the sidewalls of the drill hole for periodically stabilizing the retractable body. The position stabilizer retracts for operation of the drill when the drill is stabilized with the drill stabilizer.
    Type: Grant
    Filed: September 10, 1996
    Date of Patent: May 19, 1998
    Assignee: Inco Limited
    Inventors: Gregory R. Baiden, Donald D. Young, Fredric C. Delabbio, Jean P. Pascoli, Paul de Vlugt