Patents by Inventor Bernhard Seppelt

Bernhard Seppelt 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).

  • Apparatus and method for machining cylindrical internal surfaces
    Patent number: 4223577
    Abstract: Internal cyclindrical surfaces are machined with a machining head movable longitudinally along the internal surface. The machining head carries at least one cutting tool having a cutting edge and a chip deflecting surface positioned for deflecting metal chips toward the trailing end of the machining head.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: September 23, 1980
    Assignee: Th. Kieserling & Albrecht
    Inventor: Bernhard Seppelt