Patents by Inventor Friedhelm Mistler

Friedhelm Mistler 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: 7377095
    Abstract: The invention relates to an open end spinning device comprising a single-motor driven spinning rotor whose cup is rotationally actuated in the rotor housing which is negatively pressurized and closed by a cover element during a spinning process. According to said invention, the rotor house (2) is embodied in the form of a central element which is fixable to the frame of a textile machine and connects the control (3) of the spinning rotor (21) to the carrier (4) for the cover element (6) provided with a fibre band releasing device (23).
    Type: Grant
    Filed: July 6, 2004
    Date of Patent: May 27, 2008
    Assignee: Oerlikon Textile GmbH & Co. KG
    Inventors: Heinz-Georg Wassenhoven, Georg Schmidt, Norbert Coenen, Friedhelm Mistler, Stephan Bühren
  • Publication number: 20070278340
    Abstract: A drive roller on a textile machine producing cross-wound bobbins, for the frictional drive of a cross-wound bobbin, mounted to rotate in a spool frame on a spooling device, wherein the outer circumference (21) of the drive roller (11) is embodied by a thin-walled, profiled metal tube (19), formed by high-pressure internal forming.
    Type: Application
    Filed: December 29, 2004
    Publication date: December 6, 2007
    Applicant: SAURER GMBH & CO. KG
    Inventors: Jurgen Meyer, Friedhelm Mistler, Maximilian Preutenborbeck
  • Publication number: 20070130908
    Abstract: The invention relates to an open end spinning device comprising a single-motor driven spinning rotor whose cup is rotationally actuated in the rotor housing which is negatively pressurized and closed by a cover element during a spinning process. According to said invention, the rotor house (2) is embodied in the form of a central element which is fixable to the frame of a textile machine and connects the control (3) of the spinning rotor (21) to the carrier (4) for the cover element (6) provided with a fibre band releasing device (23).
    Type: Application
    Filed: July 6, 2004
    Publication date: June 14, 2007
    Applicant: Saurer GmbH & Co. KG
    Inventors: Heinz-Georg Wassenhoven, Georg Schmidt, Norbert Coenen, Friedhelm Mistler, Stephan Buhren
  • Patent number: 5026199
    Abstract: A releasable connection for tubular metal sliding rods with ends in a textile machine includes at least one pressureproof insert filling the rod ends. A metal clamping socket fits flush over the rod ends for transmitting force. The metal clamping socket has releasable clamping screws holding the rod ends in slide-free contact with the at least one insert and the clamping socket under changing loads.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: June 25, 1991
    Assignee: W. Schlafhorst AG & Co.
    Inventors: Reinhold Schmid, Hans-Willi Esser, Friedhelm Mistler