Patents by Inventor Bruce W. Cunningham

Bruce W. Cunningham 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).

  • Drillable Oilfield Tubular Plug
    Publication number: 20180066496
    Abstract: A drillable oilfield tubular plug that employs clutch faces, drilling features, anti-rotation features, and composite materials to facilitate quicker drill-out operations after the plugs have been utilized.
    Type: Application
    Filed: September 8, 2016
    Publication date: March 8, 2018
    Applicant: BR Oil Tools, Inc.
    Inventors: Tyler W. Blair, Bruce W. Cunningham, Timothy R. Shamburger