Patents by Inventor Adalbert Winkelmann

Adalbert Winkelmann 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).

  • Spindle cap having a variable moment of resistance
    Patent number: 4487009
    Abstract: The present invention relates to a yarn winding spindle cap having a variable moment of resistance, the spindle cap having diametrically oppositely extending arm portions, each of the ends of which supports a vertically oriented bushing, and the opposite ends of a loop of single strand are fixed in the bushings and position the loop so that it rubs against the periphery of the bobbin with a view to braking the spindle cap as a function of the diameter of said bobbin.
    Type: Grant
    Filed: February 25, 1983
    Date of Patent: December 11, 1984
    Assignee: Verdol S.A.
    Inventor: Adalbert Winkelmann