Patents Assigned to PPI ENGINEERING & CONSTRUCTION SERVICES, LLC
  • Combination pier
    Patent number: 10822762
    Abstract: A combination pier includes: a pile disposed in a bore hole from the bottom of the bore hole to a desired depth; and a pier disposed in the bore hole from the desired depth to the surface. A method for constructing a combination pier includes: forming a pile in a bore hole from the bottom of the bore hole to a desired depth; and forming a pier from the desired depth to the surface.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: November 3, 2020
    Assignee: PPI ENGINEERING & CONSTRUCTION SERVICES, LLC
    Inventors: Ronald D. Thomas, Tommy L. Williamson
  • Pier tool and method of use
    Patent number: 10640944
    Abstract: A pier tool, includes: a tubular body having an uphole end and a downhole end and defining a flow path therethrough and a tamping head disposed within the flow path of the tubular body and defines tamping surface on a downhole side of the tamping head A method for forming a pier includes assembling a pier tool mandrel, a pier tool mandrel including the pier tool and forming a rammed aggregate pier using the pier tool mandrel.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: May 5, 2020
    Assignee: PPI ENGINEERING & CONSTRUCTION SERVICES, LLC
    Inventors: Ronald D. Thomas, Tommy L. Williamson