Patents by Inventor Roberta M. Rumfola

Roberta M. Rumfola 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).

  • Tufting machine and process for variable stitch rate tufting
    Patent number: 7426895
    Abstract: A tufting machine as disclosed with a variable yarn feed mechanism and a method for tufting patterns with yarns from two rows of needles offset longitudinally from one another in a fashion that the different stitch lengths are selected in a fashion that the yarns from each row of needles are complementary to the other and maintain a consistent stitch density.
    Type: Grant
    Filed: October 5, 2005
    Date of Patent: September 23, 2008
    Assignee: Tuftco Corporation
    Inventors: Jeff Smith, Mike Bishop, Brian Lovelady, Roberta M. Rumfola