Patents by Inventor Randy H. James

Randy H. 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).

  • Publication number: 20080251293
    Abstract: A drill bit comprising a cutter assembly, further comprising a planar table and a cutter substrate coupled to the planar table, wherein the cutter substrate has a cutter body axis and wherein the planar table is operable to rotate about the cutter body axis. The planar table may be exposed to the rock formation for cutting purposes but may rotate to reduce the time that any specific portion of the cutting edge is exposed to the formation to extend the life of the planar table, among other benefits.
    Type: Application
    Filed: April 12, 2007
    Publication date: October 16, 2008
    Applicant: Ulterra Drilling Technologies, L.L.C.
    Inventors: Matthew D. Mumma, Jonathan R. Schmidt, Randy H. James