Patents by Inventor Peter Lichtinger

Peter Lichtinger 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).

  • Injection molding assembly for producing disk-shaped information carriers and sleeve for the axial retention and radial centering of a matrix
    Patent number: 5092759
    Abstract: A bushing for the axial retention and radial centering of a matrix in an injection mold for producing information carriers such as CD's is formed on the underside of its retention shoulder with channels for carrying away the air which tends to be compressed along the outer edge of the shoulder, thereby eliminating streaks or so called schlieren in the information-carrier disk which is produced.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: March 3, 1992
    Assignee: Krauss-Maffei Aktiengesellschaft
    Inventors: Peter Lichtinger, Gabrial Ringelstetter