Patents by Inventor Josef Fitzner

Josef Fitzner 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).

  • Process and device for high speed threading of yarn into a false-twisting spindle
    Patent number: 4106275
    Abstract: The invention relates to a process for the high speed threading of yarn into a false-twisting spindle, whereby the twisting pin is set in a "rotor" body located between an upstream and a downstream pipe and passes through a threading aperture in perpendicular alignment with said pin, as well as a device to carry out the process.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: August 15, 1978
    Assignee: Akzona Incorporated
    Inventors: Josef Fitzner, Lothar Low