Patents by Inventor Ernst Roethke

Ernst Roethke 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).

  • Spinning or twisting machine with yarn-breaker reset
    Patent number: 4753064
    Abstract: The spinning or twisting machine comprises a plurality of drafting rolls, a plurality of associated spindles and positioned between them a plurality of yarn breaking devices pivotable between an upright spinning machine operating position into a yarn breaking position. According to our invention the yarn breaking device is movable by a positioning device from its yarn breaking position into an operating position.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: June 28, 1988
    Assignee: Zinser Textilmaschinen GmbH
    Inventors: Ernst Roethke, Hermann Guttler