Patents by Inventor Eckhard Sonntag

Eckhard Sonntag 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).

  • Conduit plate adapter for an open-end spinning device
    Patent number: 6886321
    Abstract: A conduit plate adapter for use with an open-end spinning device, comprising a base body having a central passage bore extending therethrough and a yarn withdrawal nozzle mouth fixedly secured directly in the central passage bore. The conduit plate adapter of the present invention is removably inserted into a conduit plate.
    Type: Grant
    Filed: May 29, 2003
    Date of Patent: May 3, 2005
    Assignee: W. Schlafhorst AG & Co.
    Inventors: Eckhard Sonntag, Rolf Danner, Claus-Dieter Landolt, Michael Spitzer, Brigitte Riede
  • Conduit plate adapter for an open-end spinning device
    Publication number: 20030221406
    Abstract: A conduit plate adapter for use with an open-end spinning device, comprising a base body having a central passage bore extending therethrough and a yarn withdrawal nozzle mouth fixedly secured directly in the central passage bore. The conduit plate adapter of the present invention is removably inserted into a conduit plate.
    Type: Application
    Filed: May 29, 2003
    Publication date: December 4, 2003
    Applicant: W. Schlafhorst AG & Co.
    Inventors: Eckhard Sonntag, Rolf Danner, Claus-Dieter Landolt, Michael Spitzer, Brigitte Riede
  • Ring and traveller system for spinning and twisting frames
    Patent number: 5584168
    Abstract: Disclosed is an improved ring and traveller system for spinning and twisting frames. At least the surface of the ring coming into contact with the traveller consists of a polycrystalline ceramic material and the ceramic surface of the ring has a surface structure with rounded grain boundaries which form a storage volume for a self-generating lubricating film of fibers. The traveller consists of a resilient carrier material, especially metal, and has a metal and/or ceramic surface, the hardness of which is greater than the hardness of the ceramic surface of the ring.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: December 17, 1996
    Assignee: Cerasiv GmbH, Innovatives Keramik-Engineering
    Inventors: Peter Artzt, Eckhard Sonntag, Helmut Sommer, Hans-Dieter Weber