Patents by Inventor Ernst A. Weinz

Ernst A. Weinz 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).

  • Friction member for a mistwisting apparatus
    Patent number: 4002017
    Abstract: This is concerned with a friction element for a false twisting apparatus for yarns, whereby a friction element consisting of a hard material has a longitudinal groovelike composition on the surface thereof extending parallel with the axis of rotation of the element.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: January 11, 1977
    Inventor: Ernst A. Weinz