Patents by Inventor Peter Oppelt

Peter Oppelt 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: 4439951
    Abstract: A double head grinding machine for the roots of turbine blades or similar complex workpieces with concave and/or convex surfaces has two parallel horizontal spindles the upper of which carries a single grinding wheel and the lower of which carries two coaxial grinding wheels. The base of the machine frame supports a table which is movable by a first motor in a direction at right angles to the axes of the spindles, tangentially of the grinding wheels and along a horizontal path below the spindles. A work holder on the table is movable by a second motor along a sloping path in a direction making an angle of 30 degrees with the axes of the spindles and at right angles to the direction of movement of the table in such a way that the workpiece which is held in the holder can be moved toward or away from the grinding wheels.
    Type: Grant
    Filed: July 15, 1981
    Date of Patent: April 3, 1984
    Assignee: Hauni-Werke Korber & Co. KG.
    Inventors: Peter Oppelt, Uwe Uhlig, Werner Redeker, Werner Peschik
  • Patent number: D629111
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: December 14, 2010
    Assignee: Karl Storz GmbH & Co. KG
    Inventor: Peter Oppelt