Patents by Inventor Jens Wiesenmüller

Jens Wiesenmüller 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).

  • Lost mould for producing a cylindrical bushing sleeve
    Patent number: 6732632
    Abstract: A cylindrical bushing sleeve or another cast part, in particular a ring carrier for pistons, has a rough surface so that the surrounding cast material can cling to the cast part as required. The rough surface is created by producing the cast part with the aid of a lost mold provided with a particulate layer.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: May 11, 2004
    Assignee: Mahle Ventiltrieb GmbH
    Inventors: Peter Grahle, Jens Wiesenmüller
  • Method for the production of a steel camshaft and camshaft produced according to said method
    Patent number: 6478074
    Abstract: The invention relates to a camshaft made of cast steel having an inner cavity with a cylindrical inner shape, especially a profiled cylindrical inner shape produced rationally according to a lost-foam casting method known per se. A steel camshaft thus produced exhibits a long service life and can withstand extremely high hertzian surface pressures on its bearing surfaces without any damages.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: November 12, 2002
    Assignee: MAHLE Ventiltrieb GmbH
    Inventors: Martin Basler, Ulrich Engelhart, Peter Grahle, Volker Korte, Jürgen Schmid, Matthias Vogelsang, Jens Wiesenmüller