Patents by Inventor Hans P. Hildbrand

Hans P. Hildbrand 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).

  • Spindles for a spinning machine with individual drives
    Patent number: 4904892
    Abstract: A spindle for a ring spinning machine has an electric motor for rotating the spindle. The electric motor has a stator having a generally square configured stack of magnetically active plates. The corner regions of the stack of the stator have brackets mounted thereon which hold the plates together, and these brackets are fixedly mounted relative to the bearing housing of the spindle bank.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: February 27, 1990
    Assignee: Zinser Textilmaschinen GmbH
    Inventors: Hans P. Hildbrand, David Fricker, Horst Wolf