Patents by Inventor Christopher George Barnes

Christopher George Barnes 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).

  • Publication number: 20160076324
    Abstract: An anchor ring assembly for anchoring to a mandrel includes an annular housing which defines a through bore to permit mounting on a mandrel. A plurality of slips are circumferentially arranged within the through bore of the housing, and a plurality of activator members extend from an external surface of the housing to engage the slips. The activator members are adjustable relative to the housing to extend the slips radially inwardly to engage and grip a mandrel.
    Type: Application
    Filed: April 17, 2014
    Publication date: March 17, 2016
    Inventors: Mike Allen, David Matthew Hare, Christopher George Barnes