Patents by Inventor John Christopher Troncoso

John Christopher Troncoso 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).

  • Patent number: 8875812
    Abstract: A polycrystalline diamond cutting (PDC) element of a drill bit of a downhole drilling tool is provided. The PDC element having a substrate, a diamond table and at least one pattern. The diamond table has an initial cutting edge along a periphery thereof. The pattern integrally formed within the diamond table. The pattern(s) defining at least one discontinuity about the diamond table that, in operation, selectively breaks away upon impact to create new cutting edges in the diamond table whereby a sharp cutting edge is continuously exposed to a material being cut.
    Type: Grant
    Filed: July 22, 2011
    Date of Patent: November 4, 2014
    Assignee: National Oilwell DHT, L.P.
    Inventors: Deepthi Raj Setlur, John Christopher Troncoso, Michael D. Hughes
  • Publication number: 20120018223
    Abstract: A polycrystalline diamond cutting (PDC) element of a drill bit of a downhole drilling tool is provided. The PDC element having a substrate, a diamond table and at least one pattern. The diamond table has an initial cutting edge along a periphery thereof. The pattern integrally formed within the diamond table. The pattern(s) defining at least one discontinuity about the diamond table that, in operation, selectively breaks away upon impact to create new cutting edges in the diamond table whereby a sharp cutting edge is continuously exposed to a material being cut.
    Type: Application
    Filed: July 22, 2011
    Publication date: January 26, 2012
    Applicant: NATIONAL OILWELL DHT, L.P.
    Inventors: Deepthi Raj Setlur, John Christopher Troncoso, Michael D. Hughes