Patents by Inventor David Mathew James

David Mathew James 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).

  • INK CONTAINING A SECURITY ELEMENT
    Publication number: 20210277268
    Abstract: Described herein is an ink containing a security element, methods of using the ink, and items produced using the ink. For example, herein is disclosed a method for forming a layer on an item, the method comprising depositing on the item an ink containing a security element and a species for forming a metal matrix to form the layer, which comprises a metal matrix having embedded therein the security element.
    Type: Application
    Filed: January 10, 2018
    Publication date: September 9, 2021
    Inventors: Ciarán Joseph MARTIN, David Mathew JAMES, Sarah ROGERS
  • Plating of articles
    Patent number: 10526718
    Abstract: The present invention relates to the field of plating, including, but not limited to electroplating metallic articles, for example metallic discs that can be used as, or converted into, coins. Embodiments of the present invention described herein incorporate luminescent particles into plated metallic layers so that they can be detected for security purposes.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: January 7, 2020
    Assignee: The Royal Mint Limited
    Inventors: David Mathew James, Ellis Rhys Thomas, Gwilym Hibbert
  • PLATING OF ARTICLES
    Publication number: 20160122895
    Abstract: The present invention relates to the field of plating, including, but not limited to electroplating metallic articles, for example metallic discs that can be used as, or converted into, coins. Embodiments of the present invention described herein incorporate luminescent particles into plated metallic layers so that they can be detected for security purposes.
    Type: Application
    Filed: May 9, 2014
    Publication date: May 5, 2016
    Applicant: The Royal Mint Limited
    Inventors: David Mathew James, Ellis Rhys Thomas, Gwilym Hibbert