Patents by Inventor Stephan F. Brauer

Stephan F. Brauer 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).

  • Deactivating element for magnetic marker and method of making same
    Patent number: 6774793
    Abstract: A deactivating element for a magnetic surveillance marker has the form of a wire with substantially-circular cross-section in which alternating body segments are of a magnetizable material having a magnetic remanence of at least 0.2 Tesla and a non-magnetizable material respectively; the non-magnetizable material has a magnetic saturation of not more than 0.05 Tesla.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: August 10, 2004
    Assignee: MXT Inc.
    Inventors: Stephan F. Brauer, Thomas Lebeau, John Strom-Olsen