Patents by Inventor John W. Varner

John W. Varner 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: 20230407709
    Abstract: A variety of methods, systems, and apparatus are disclosed, including, in one embodiment, a drill bit, comprising: a bit body defining a rotational axis and having a plurality of cutter pockets formed thereon, each cutter pocket shaped to receive a respective substrate of a cutter; wherein each cutter pocket has an inner profile that defines an area of increased braze gap that conforms to an outer profile of the respective substrate; and a braze interface comprising a braze alloy disposed in each cutter pocket between the inner profile of the cutter pocket and the outer profile of the respective substrate, such that a thickness of the braze alloy is greater at the area of increased braze gap.
    Type: Application
    Filed: June 13, 2023
    Publication date: December 21, 2023
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Kevin Clark, Yi Pan, Randy T. Howell, Jeffrey G. Thomas, Nicholas Allison, John W. Varner