Patents by Inventor Siegfried Holzwarth

Siegfried Holzwarth 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: 4255868
    Abstract: Method for optimally stabilizing the winding of transformers and chokes, which includes pressing at least one winding in a drying oven at constant pressure during the entire drying process, and subjecting each winding to its required pressure if more than one winding is to be pressed simultaneously.
    Type: Grant
    Filed: May 11, 1979
    Date of Patent: March 17, 1981
    Assignee: Brown, Boveri & Cie AG
    Inventor: Siegfried Holzwarth