Patents by Inventor Heinz Wiechens

Heinz Wiechens 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: 3994236
    Abstract: In a magnetic suspension railroad where a suspension vehicle is guided by magnetic forces between a magnet on the vehicle and magnetic fields generated in track coils comprising opposing coil halves, switching contacts are arranged in the coils such that the switching contacts of the desired travel path are closed and the switching contacts of the coils of the other travel path are open.
    Type: Grant
    Filed: May 15, 1975
    Date of Patent: November 30, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventors: Hans-Jurgen Dull, Heinz Wiechens