Patents by Inventor David Murphey

David Murphey 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).

  • Precision High-Temperature Hydrogen Attack Apparatus
    Publication number: 20250290838
    Abstract: A method and apparatus for measuring corrosion damage in a sample while under a bending load at a desired temperature and pressure to simulate production environments and accelerate hydrogen attack on the sample undergoing hoop stress, axial stress, and/or tensile stress, while controlling the exposure rate to hydrogen and increasing the safety of using pressurized hydrogen.
    Type: Application
    Filed: May 28, 2025
    Publication date: September 18, 2025
    Applicant: Stress Engineering Services, Inc.
    Inventors: Steven Kinyon, Dustin McKnight, David Murphey
  • Precision high-temperature hydrogen attack apparatus
    Patent number: 12339258
    Abstract: A method and apparatus for measuring corrosion damage in a sample while under a bending load at a desired temperature and pressure to simulate production environments and accelerate hydrogen attack on the sample undergoing hoop stress, axial stress, and/or tensile stress, while controlling the exposure rate to hydrogen and increasing the safety of using pressurized hydrogen.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: June 24, 2025
    Assignee: Stress Engineering Services, Inc.
    Inventors: Steven Kinyon, Dustin McKnight, David Murphey
  • Precision High-Temperature Hydrogen Attack Apparatus
    Publication number: 20220196530
    Abstract: A method and apparatus for measuring corrosion damage in a sample while under a bending load at a desired temperature and pressure.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 23, 2022
    Applicant: Stress Engineering Services, Inc.
    Inventors: Steven Kinyon, Dustin McKnight, David Murphey
  • Fused bicycloheterocycle substituted quinuclidine derivatives
    Publication number: 20080064703
    Abstract: Compounds of formula (II): known as: 5-{6-[(3R)-1-azabicyclo[2.2.2]oct-3-yloxy]pyridazin-3-yl}-1-H-indole salt with (2R, 3R)-2,3-dihydroxybutanedioic acid (1:1).
    Type: Application
    Filed: April 26, 2007
    Publication date: March 13, 2008
    Inventors: Eric Stoner, Alan Christesen, Ahmad Sheikh, Xiu Wang, Agnes Pal, David Murphey, Jianguo Ji, Devalina Law, Daozhong Zou