Patents by Inventor Piper S. Walker

Piper S. Walker 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: 11261680
    Abstract: A removable screen panel assembly for a vibratory screening machine for separating liquids and solids. The screen panel assembly includes a plate, a corrugated screen assembly supported by the plate, hook assemblies connected to opposite ends of the plate, and gaskets connected to the hook assemblies. A first hook assembly has a first end connected to a first end of the plate, a middle portion spaced above first apertures at the first end of the plate, and a second end parallel to the plate. The second end of the first hook assembly and the first end of the plate sandwich a first end of the corrugated screen assembly.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: March 1, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Piper S. Walker, Jay C. Jenkins, Kevin E. Redfern
  • Publication number: 20210140251
    Abstract: A removable screen panel assembly for a vibratory screening machine for separating liquids and solids. The screen panel assembly includes a plate, a corrugated screen assembly supported by the plate, hook assemblies connected to opposite ends of the plate, and gaskets connected to the hook assemblies. A first hook assembly has a first end connected to a first end of the plate, a middle portion spaced above first apertures at the first end of the plate, and a second end parallel to the plate. The second end of the first hook assembly and the first end of the plate sandwich a first end of the corrugated screen assembly.
    Type: Application
    Filed: April 4, 2016
    Publication date: May 13, 2021
    Inventors: Piper S. Walker, Jay C. Jenkins, Kevin E. Redfern