Patents by Inventor Anthony E. J. Doyer

Anthony E. J. Doyer 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).

  • Contactless winding apparatus
    Patent number: 4169565
    Abstract: The invention relates to a device for the winding of yarn on a tube to a yarn package which device is equipped with a traverse unit. The device imparts to the yarn a traverse motion in axial direction with respect to the tube. The circumference of the yarn package is clear of any element. A pneumatic detector located near the circumference of the yarn package pneumatically detects the distance between the circumference of the yarn package and the traverse unit.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: October 2, 1979
    Assignee: Akzona Incorporated
    Inventors: Pieter Blok, Cornelis M. Elenbaas, Anthony E. J. Doyer