Patents by Inventor Karl Riedel

Karl Riedel 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 machines and the like with signal or indicator devices
    Patent number: 4635321
    Abstract: Spinning machine in which the upper rollers of the drafting units are arranged at pressure arm assemblies, whereby each pressure arm assembly has a main arm and an operating lever which is positionally arranged above the main arm and radially movable. To each work location of the machine are assigned signal lights for indicating disruptions at the work location. For optimum visibility from distant locations, the indicator lights are provided at the operating levers.
    Type: Grant
    Filed: February 21, 1985
    Date of Patent: January 13, 1987
    Assignee: Zinser Textilmaschinen GmbH
    Inventors: Walter Dupper, Roland Emberger, Kurt Hack, Manfred Lattner, Helmut Nickolay, Karl Riedel, Richard Schollhammer