Patents by Inventor Brad Dunbar

Brad Dunbar 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).

  • Drill Bit Cutter With Shaped Portion Matched To Kerf
    Publication number: 20240167342
    Abstract: A fixed cutter drill bit may include a bit body defining a bit axis and having a plurality of blades extending therefrom. A plurality of cutters are secured to the blades at different circumferential positions relative to the bit axis. Each cutter may define a cutter sweep profile as the bit body rotates about the bit axis. One or more of the cutters may form overlapping cutter sweep profiles to define a kerf therebetween. The cutters include a shaped cutter comprising a cutting face and a shaped portion on the cutting face aligned for engaging and removing the kerf.
    Type: Application
    Filed: November 18, 2022
    Publication date: May 23, 2024
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Chris Propes, Brad Dunbar, Robert W. Arfele, Kelley Plunkett