Patents by Inventor Steven D. Keddie

Steven D. Keddie 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: 11276031
    Abstract: Systems and methods for printing and verifying product codes using ultraviolet (UV) fluorescing ink include, in at least one aspect, a system including: a UV light source configured and arranged to illuminate, with UV light, product codes printed on products; a camera configured and arranged to capture visible light emitted by a single ink of the product codes responsive to the illumination with the UV light, where the single ink includes a combination of a non-fluorescing substance and a UV fluorescing substance; and a controller coupled with the camera and configured to perform machine vision processing on the captured visible light to identify and confirm the product codes printed on the products.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: March 15, 2022
    Assignee: Dover Europe Sarl
    Inventor: Steven D. Keddie
  • Publication number: 20190180222
    Abstract: Systems and methods for printing and verifying product codes using ultraviolet (UV) fluorescing ink include, in at least one aspect, a system including: a UV light source configured and arranged to illuminate, with UV light, product codes printed on products; a camera configured and arranged to capture visible light emitted by a single ink of the product codes responsive to the illumination with the UV light, where the single ink includes a combination of a non-fluorescing substance and a UV fluorescing substance; and a controller coupled with the camera and configured to perform machine vision processing on the captured visible light to identify and confirm the product codes printed on the products.
    Type: Application
    Filed: December 12, 2017
    Publication date: June 13, 2019
    Inventor: Steven D. Keddie