Patents by Inventor Josef Nussbaumer

Josef Nussbaumer 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).

  • Patent number: 6926583
    Abstract: A grinding wheel including a circular grinding region (1) with a plurality of through-openings (3) formed therein, a central mounting region (2) coaxial with the grinding region (1), and a plurality of cutting bodies (4) having a rectangular base surface, projecting from the grinding region (1), and spaced from a center of the mounting region (2) by different radial distances, with each cutting body (4) having a longitudinal side (5) adjacent to the center of the mounting region (2) and a wide side (6) remote from the center of the mounting region (2), with the longitudinal side (5) and the wide side (6) forming together an edge (K), and with the longitudinal side (5) extending at an angle (B) of from 35° to 55° to a radial line (R) extending from the center of the mounting region (2) and passing tangentially to the edge (K).
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: August 9, 2005
    Assignee: Hilti Aktiengesellschaft
    Inventors: Josef Nussbaumer, Rolf Spangenberg, Francois Boland, Jean-Pierre Chevalier
  • Publication number: 20030054746
    Abstract: A grinding wheel including a circular grinding region (1) with a plurality of through-openings (3) formed therein, a central mounting region (2) coaxial with the grinding region (1), and a plurality of cutting bodies (4) having a rectangular base surface, projecting from the grinding region (1), and spaced from a center of the mounting region (2) by different radial distances, with each cutting body (4) having a longitudinal side (5) adjacent to the center of the mounting region (2) and a wide side (6) remote from the center of the mounting region (2), with the longitudinal side (5) and the wide side (6) forming together an edge (K), and with the longitudinal side (5) extending at an angle (B) of from 35° to 55° to a radial line (R) extending from the center of the mounting region (2) and passing tangentially to the edge (K).
    Type: Application
    Filed: August 12, 2002
    Publication date: March 20, 2003
    Inventors: Josef Nussbaumer, Rolf Spangenberg, Francois Boland, Jean-Pierre Chevalier
  • Patent number: 5911620
    Abstract: A pot-shaped grinding wheel having a circular grinding region provided with a plurality of segment-like grinding members (5), a circular seat region (4) coaxial with an axially spaced from the grinding region (2), a transition region (3) extending between an inner contour of the grinding region (2) and an outer contour of the seat region (4) and tapering toward the outer contour of the seat region (4), and at least one bore (6) extending parallel to an axis of the grinding wheel and arranged in the grinding region (2) and at least one bore (7) likewise extending parallel to the grinding wheel axis and arranged in the transition region (3).
    Type: Grant
    Filed: February 23, 1998
    Date of Patent: June 15, 1999
    Assignee: Hilti Aktiengesellschaft
    Inventors: Rolf Spangenberg, Josef Nussbaumer