Patents by Inventor Robert E. Cullen, Jr.

Robert E. Cullen, 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: 4574436
    Abstract: In a self-stringing yarn texturing air jet which is compact and easy to string up includes a body, a yarn inlet section, a movable venturi and a yarn guiding element through which yarn passes to the outlet end of the jet, a second flange on the yarn guiding element located upstream of a flange with an orifice improves texturing efficiency of the jet.
    Type: Grant
    Filed: April 29, 1985
    Date of Patent: March 11, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Robert E. Cullen, Jr.