Patents by Inventor Ehrenfried Blümel

Ehrenfried Blümel 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).

  • Damping foil consisting of several layers and a method for producing same
    Patent number: 6953105
    Abstract: A multi-layer damping foil having a perforated lower layer facing towards a part to be damped, with properties which are suitable for adhering the damping foil onto the part. A non-perforated upper layer, facing away from the part, does not have adherence properties. Advantageously there may be provided between the upper and lower layers a thin film-like intermediate layer of non-woven fabric, kraft paper, or the like, which may have openings.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: October 11, 2005
    Assignee: Stankiewicz GmbH
    Inventors: Torsten Rust, Ehrenfried Blümel