Patents by Inventor Marcel Ruppenthal

Marcel Ruppenthal 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).

  • Device for intermingling relaxing and/or thermosetting of filament yarn in a spinning process
    Patent number: 6543105
    Abstract: The device (80) described can be used in universal fashion for the intermingling, relaxing, and/or thermosetting of filament yarn (50) in a melt spinning process. It comprises a treatment chamber (80, 81), which is capable of being filled with a gas under essentially static overpressure and increased temperature, and features an intake aperture (83) and an outlet aperture (84), designed for preference as nozzles, for the passage of the yarn (50), through which the gas can flow, under pressure relief, respectively in or against the direction of the run of the yarn (50).
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: April 8, 2003
    Assignee: Inventa-Fisher AG
    Inventors: Ulrich Kemp, Marcel Ruppenthal