Patents by Inventor Harry Paul E. Luebkemann

Harry Paul E. Luebkemann 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: 3943802
    Abstract: A turning machine with a rotary work spindle and a slide having a lower carriage movable in parallelism with the axis of the spindle, an upper carriage movable on the lower carriage at right angles to the spindle axis, and a tool support on the upper carriage. The tool support is comprised of two indexable turrets, each having a plurality of tools therein, and a common indexing means so that the turrets are indexed simultaneously.
    Type: Grant
    Filed: January 9, 1975
    Date of Patent: March 16, 1976
    Assignee: Cincinnati Milacron Inc.
    Inventors: Harry Paul E. Luebkemann, David Bradford Wood, III