Patents by Inventor Norbert Hooper

Norbert Hooper 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).

  • Drawing and texturing by false twist crimping of synthetic textile filament
    Patent number: 3938307
    Abstract: A false-twist texturing method and apparatus wherein synthetic filaments are drawn in a draw zone, passed from said draw zone to feed means for feeding the drawn yarn at a speed lower than the speed in the draw zone to a texturing zone wherein the yarn is texturized.
    Type: Grant
    Filed: March 28, 1974
    Date of Patent: February 17, 1976
    Assignee: Platt International Limited
    Inventor: Norbert Hooper