Patents by Inventor Frank J. Clendening, Jr.

Frank J. Clendening, Jr. 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).

  • Yarn texturing jet
    Patent number: 4259768
    Abstract: A self-stringing jet device which is compact and easy to string up includes a body, a yarn inlet section, and a movable venturi and a rotatable cylindrical baffle located at the outlet end of the jet. The yarn inlet section comprises a cone-shaped yarn entrance having an axis that is at an angle with the axis of the yarn passage through the jet. The venturi may be moved from a stringup position to an operating position by one or more camming surfaces on the rotatable cylindrical baffle.
    Type: Grant
    Filed: January 30, 1980
    Date of Patent: April 7, 1981
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Frank J. Clendening, Jr., Elva L. Rose