Patents by Inventor Gottfried Eisenbeis

Gottfried Eisenbeis 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).

  • Dual rotor with continuous/positioning reverse controls
    Patent number: 5124606
    Abstract: A driving motor, for continuous and positioning type operation, includes two different types of rotors, a main rotor and an auxiliary rotor, corresponding to the type of operation required. Both rotors are arranged within the field of a common stator and are controlled by this common stator. The common stator is controlled by a control device in accordance with the function of the rotor to be driven. The driving motor can particularly be used to drive sewing machines.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: June 23, 1992
    Assignee: Pfaff Industriemaschinen
    Inventor: Gottfried Eisenbeis