Patents by Inventor Dick Charles Headrick

Dick Charles Headrick 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).

  • Multi-material frac valve poppet
    Patent number: 10808851
    Abstract: A valve poppet assembly comprising a valve stem, a poppet insert retainer, and a poppet seat, wherein, in an assembled configuration, the valve stem extends along a central axis through the poppet insert retainer and the poppet seat, and wherein the valve stem, the poppet insert retainer, and the poppet seat are not a single, integral component.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: October 20, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jim Basuki Surjaatmadja, Dick Charles Headrick, Tim H. Hunter