Patents by Inventor C. Henri Genevray

C. Henri Genevray 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).

  • Device for stopping the supply to a spinning frame drawing system in case of absence of yarn at the outlet
    Patent number: 4951454
    Abstract: A device, to be incorporated in a spinning frame and including supply rollers for the input of a sliver, a sliver control and drawing station for transforming said sliver into a yarn, and a yarn winding outlet station, comprises on the one hand, between the control and drawing station and the yarn winding outlet station, detector means for detecting the presence of the yarn, and, on the other hand, sensitive means responsive to said detector means for stopping the sliver feed by the supply rollers in case of absence of yarn as detected at the outlet.
    Type: Grant
    Filed: July 11, 1989
    Date of Patent: August 28, 1990
    Assignee: N. Schlumberger & Cie
    Inventor: C. Henri Genevray