Patents by Inventor John W. Demuth

John W. Demuth 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: 3971518
    Abstract: Transfer tail apparatus for use with a yarn winder on which the yarn package tube has at its outer axial end an end slit or other yarn snagging means for snagging and retaining yarn during tie-up, the transfer tail apparatus having a first yarn guide adapted to move in a path and translate a continuously moving yarn into engagement with the tube end slit or other yarn snagging means; and a second yarn guide operative after such snagging and adapted to guide the snagged yarn into a waste bunch and then move in a path and guide the yarn into spaced helical wraps constituting the transfer tail, after which the second yarn guide releases the yarn for subsequent pickup by a yarn traverse guide on the yarn winder for forming the package portion on the yarn package tube.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: July 27, 1976
    Assignee: Eastman Kodak Company
    Inventors: Larry B. Newman, John W. Demuth