Patents by Inventor Malcolm P. Irwin

Malcolm P. Irwin 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).

  • Patent number: 4125922
    Abstract: A jet tangler is provided having a sharply angled passageway for the yarn and having a special air passageway arrangement which minimizes or substantially eliminates the aspiration effect encountered in jet tanglers of the prior art, especially at low tension. The tangler operates efficiently at low or high yarn tension, on texturized or as-produced yarn.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: November 21, 1978
    Assignee: Techniservice Division, Textured Yarn Co. Inc.
    Inventor: Malcolm P. Irwin