Patents by Inventor Markus Luethen

Markus Luethen 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: 9016499
    Abstract: An adapter for an oil filler neck and an assembly method for the adapter are provided. In an embodiment, the adapter includes an extension piece with a lower partial region and an upper partial region. The lower partial region has an outer bayonet cap guide that is adjusted to an inner bayonet cap guide of an oil fill port. The upper partial region has the inner bayonet cap guide that is adjusted to the outer bayonet cap guide of an oil filler inlet cover. An outer retaining ferule with an anti-twist device apron engages an outer edge region of the oil fill port in a positive and torsionally rigid manner.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: April 28, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Peter Scholz, Markus Luethen