Patents by Inventor Hugo Philipp

Hugo Philipp 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).

  • Deburring tubes or pipes on the inside
    Patent number: 4266896
    Abstract: A tubular cutter with flared end and circular edge is obliquely held and centered by resilient guide elements, one in line (axially) with the edge, the other one acting radially opposite and axially between the first one and the edge. The edge has a larger diameter than the cutter is long (axially), and the latter has its interior contoured for smooth burr removal.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: May 12, 1981
    Assignees: Mannesmann Aktiengesellschaft, Rochlingburbach Weiterverarbeiting GmbH
    Inventors: Friedrich Meier, Hugo Philipp