Patents by Inventor Siegfried Lins

Siegfried Lins 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).

  • Method for milling a cylinder head and cylinder head
    Patent number: 9383014
    Abstract: A method for the machine-milling of intake and/or exhaust ducts formed in a cylinder head includes working off the inner wall surfaces of the intake and/or exhaust ducts at least in part, preferably completely, with a multi-axis, preferably five-axis, CNC-controlled cherry head in a stabbing movement. Grooves are thus formed in the inner wall surfaces that extend primarily in the flow direction of the ducts.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: July 5, 2016
    Assignee: MAHLE Koenig Kommanditgesellschaft GmbH & Co. KG
    Inventors: Franz Laimboeck, Siegfried Lins