Patents by Inventor James E. Barefield, II

James E. Barefield, II 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: 9664212
    Abstract: A method for evaluating a vessel for suitability to contain a fluid includes providing a vessel and forming a polished surface portion of the vessel by removing oxidation and/or contaminants from a portion of the vessel. The method further includes applying a focused laser to the polished surface portion to form plasma on the polished surface portion, and determining whether the vessel is suitable for containing a fluid based on silicon content of the polished surface portion. The silicon content is estimated based on light emitted from the plasma.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: May 30, 2017
    Assignees: CHEVRON U.S.A. INC., LOS ALAMOS NATIONAL SECURITY, LLC
    Inventors: James E. Barefield, II, Elizabeth J. Judge, Loan A. Le, Leon N. Lopez, Andrew C. Beveridge, Daniel R. Chapman, Seth T. Taylor
  • Publication number: 20160258815
    Abstract: A method for evaluating a vessel for suitability to contain a fluid includes providing a vessel and forming a polished surface portion of the vessel by removing oxidation and/or contaminants from a portion of the vessel. The method further includes applying a focused laser to the polished surface portion to form plasma on the polished surface portion, and determining whether the vessel is suitable for containing a fluid based on silicon content of the polished surface portion. The silicon content is estimated based on light emitted from the plasma.
    Type: Application
    Filed: March 4, 2015
    Publication date: September 8, 2016
    Inventors: James E. Barefield, II, Elizabeth J. Judge, Loan A. Le, Leon N. Lopez, Andrew C. Beveridge, Daniel R. Chapman, Seth T. Taylor
  • Publication number: 20120033212
    Abstract: A backpack laser-induced breakdown spectroscopy LIBS system to provide rapid in-field elemental analysis of environmental samples important to the safeguarding of special nuclear materials.
    Type: Application
    Filed: July 11, 2011
    Publication date: February 9, 2012
    Applicant: Los Alamos National Security, LLC
    Inventor: James E. Barefield, II