Patents by Inventor Lothar Seifert

Lothar Seifert 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: 9089913
    Abstract: A machine tool for machining gear teeth into an inner side of an annular workpiece, the tool comprising a circular substructure having an upper side, a rotary bearing on which is disposed an annular machining table adapted to support a workpiece, a chassis for supporting a tool head, and a plurality of exchangeable machining rings, an adaption ring supporting the machining ring and supporting concentric cones, and a braking device adapted to act on the adaption ring.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: July 28, 2015
    Assignee: IMO Holding GmbH
    Inventors: Erich Russ, Lothar Seifert, Oliver Gold
  • Publication number: 20110058911
    Abstract: The invention is directed to a machine tool for incorporating gear teeth into the inner side of an annular workpiece by metal cutting, with a) an annular machining table for supporting or placing on at least one workpiece, and b) a chassis for holding, supporting, mounting and/or guiding a tool head, which chassis extends, at least during the machining, through the annular machining table or through a central opening in the annular machining table from a bed or pedestal below the machining table.
    Type: Application
    Filed: April 28, 2009
    Publication date: March 10, 2011
    Inventors: Erich Russ, Lothar Seifert, Oliver Gold