Patents by Inventor Peter Alberg

Peter Alberg 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).

  • Ultrasonic annular core bit
    Patent number: 6948574
    Abstract: A core bit for abrasive cutting including a cylindrical tube (3) provided at its end surface with cutting or abrasive bodies (2) and a cover (4) provided at an opposite end surface of the cylindrical tube (3) and secured thereto and having, along its central axis (A), a shank (5) to be received in a rotary power tool, with the cover (4) being dimensioned, with respect to a set excitation frequency, for forming a whole number of maximum amplitude oscillations of a concentric flexural oscillation, and the cylindrical tube (3) being dimensioned, with respect to a set excitation frequency, for forming a whole number of maximum amplitude oscillations of axial longitudinal oscillations.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: September 27, 2005
    Assignee: Hilti Aktiengesellschaft
    Inventors: Till Cramer, Adrian Kauf, Stefan Tichy, Walter Littmann, John van Taack-Trakranen, Peter Alberg
  • Ultrasonic annular core bit
    Publication number: 20030146024
    Abstract: A core bit for abrasive cutting including a cylindrical tube (3) provided at its end surface with cutting or abrasive bodies (2) and a cover (4) provided at an opposite end surface of the cylindrical tube (3) and secured thereto and having, along its central axis (A), a shank (5) to be received in a rotary power tool, with the cover (4) being dimensioned, with respect to a set excitation frequency, for forming a whole number of maximum amplitude oscillations of a concentric flexural oscillation, and the cylindrical tube (3) being dimensioned, with respect to a set excitation frequency, for forming a whole number of maximum amplitude oscillations of axial longitudinal oscillations.
    Type: Application
    Filed: December 18, 2002
    Publication date: August 7, 2003
    Inventors: Till Cramer, Adrian Kauf, Stefan Tichy, Walter Littmann, John van Taack-Trakranen, Peter Alberg