Patents by Inventor Herbert Trauernicht

Herbert Trauernicht 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: 4414437
    Abstract: In an electromagnetic transducer including a member producing a magnetic field and presenting an air gap traversed by the field, a mass of magnetic liquid extending across the air gap, and a moving coil mounted on a moving coil carrier supported for movement through the air gap, the carrier is provided with at least one passage located to communicate with the magnetic liquid during at least part of the movement of the coil carrier through the air gap for permitting flow of magnetic liquid from one side to the other of the carrier in the direction of the air gap.
    Type: Grant
    Filed: December 2, 1980
    Date of Patent: November 8, 1983
    Assignee: Licentia Patent-Verwaltungs-GmbH
    Inventors: Herbert Trauernicht, Karl-Heinz Thiele