Patents by Inventor Peter Cavada

Peter Cavada 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).

  • Hollow drilling tool
    Patent number: 5069584
    Abstract: A hollow drilling tool is made up of an axially extending tubular carrier part, a cutting body at one end of the carrier part, and guide elements located in the axial direction of the carrier part between the cutting body and the carrier part. The radially outer surface of each guide element is in alignment in the axial direction of the carrier part with the radially outer surface of the cutting body. The guide elements guide the hollow drilling tool in a borehole formed by the cutting body.
    Type: Grant
    Filed: January 22, 1990
    Date of Patent: December 3, 1991
    Assignee: Hilti Aktiengesellschaft
    Inventors: Josef Obermeier, Eugen Magyari, Walter Ritt, Ernst Wohlwend, Horst-Detlef Gassmann, Peter Cavada