Patents by Inventor Ernst Nigg

Ernst Nigg 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).

  • Cable transport apparatus
    Patent number: 5024162
    Abstract: A cable railway installation comprising cable return disks (2) arranged at he bottom and top stations, at least one of which disks (2) is driven, and comprising a carrying and hauling cable (3) arranged around the cable return disks (2) and guided over guide or deflecting rolls (12) for moving transportation means, such as seats (5). The cable return disk (2) forms the rotor of the drive motor, especially a reluctance motor.
    Type: Grant
    Filed: February 2, 1990
    Date of Patent: June 18, 1991
    Assignee: Konrad Doppelmayr & Sohn Maschinenfabrik Gesellschaft m.b.H. & Co. KG
    Inventors: Ernst Nigg, Elmar B. Fuchs