Patents by Inventor Roderick A. Maund

Roderick A. Maund 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).

  • Dyeing yarns
    Patent number: 4361019
    Abstract: A method of dyeing yarns is provided wherein a single yarn or a web of parallel yarns is passed through a falling stream of liquid dyestuff which is substantially at boiling temperature when it contacts the yarn. The falling stream may be interrupted intermittently or may be traversed to and fro of the yarn to dye the yarn intermittently. Apparatus for conducting the method is described.
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: November 30, 1982
    Inventor: Roderick A. Maund