Patents by Inventor Thomas Earl Barker

Thomas Earl Barker 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: 11920418
    Abstract: Provided is a casing washout perforating gun assembly for use in a wellbore. The casing washout perforating gun assembly, in one example, includes a carrier gun body, an uphole plurality of charges supported within the carrier gun body, and a downhole plurality of charges supported within the carrier gun body. According to this example, the uphole plurality of charges have an uphole size or uphole explosive design to perforate uphole openings having uphole opening areas within a wellbore casing, and the downhole plurality of charges have a different downhole size or different downhole explosive design to perforate downhole openings having downhole opening areas within the wellbore casing, and furthermore the downhole opening areas are at least 20 percent less than the uphole opening areas.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: March 5, 2024
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Thomas Earl Burky, Christopher C. Hoelscher, James Marshall Barker
  • Patent number: 5702781
    Abstract: An ornament for hanging from a support, such as a Christmas tree. The ornament includes a body portion and a headpiece portion. The headpiece portion is supported above the body portion and both portions are suspended from a support. The headpiece can be configured to represent a helmet or a cap. Alternatively, the headpiece can resemble the face of a sports personality. The body portion comprises a torso portion and a leg portion which is suspended from the torso portion. The headpiece, torso and leg portions are connected together to allow for movement in a way that simulates human action. Additionally the headpiece, torso and leg portions can depict an athletic uniform.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: December 30, 1997
    Inventor: Thomas Earl Barker