Patents by Inventor John Battista

John Battista 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 guide
    Patent number: 4056240
    Abstract: A yarn guide comprising a rotatably mounted circumferentially grooved cylindrical bar having as part of the bar surface a smoothly recessed, relatively flat area advancing helically less than a complete turn along the the length of the bar, the relatively flat area being uniformly recessed to a depth such that at least part of the recessed area is devoid of grooves. The guide permits step-wise engagement of a multiplicity of yarns.
    Type: Grant
    Filed: February 18, 1977
    Date of Patent: November 1, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John Battista Gallini, Gerald Dean Hauxwell, Christopher Roger Whitfield