Patents by Inventor Andreas Asch

Andreas Asch 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: 6734406
    Abstract: The invention relates to a method for improving the mechanical properties, especially the hardness, of journal crosses for use in articulated shafts. According to the invention, a superficial area which is defined by the transition surfaces between two journals that are adjacent to each other in the peripheral direction and the superficial areas of the peripheral surfaces of the adjacent journals that point in the peripheral direction is induction-hardened in one method step and then quenched with cooling agents.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: May 11, 2004
    Assignee: Voith Turbo GmbH Co. KG
    Inventors: Hans Lindenthal, Andreas Asch