Patents by Inventor Geoffery S. Parrington

Geoffery S. Parrington 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).

  • Method for making precast concrete meter pit
    Patent number: 8282869
    Abstract: A precast concrete meter pit consisting of a plurality of precast concrete hollow elongated cylindrical wall sections in end to end relation to one another is fabricated by utilizing a slip form packerhead apparatus in which the wall sections are formed with an annular slip ring when concrete is injected into the slip form apparatus.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: October 9, 2012
    Assignee: Precast Concepts, LLC
    Inventors: Edward J. Anderson, Geoffery S. Parrington, Eugene J. Pelchat, Jr.
  • METHOD OF FABRICATING A PRECAST CONCRETE METER PIT
    Publication number: 20090178365
    Abstract: A precast concrete meter pit consisting of an elongated hollow pipe having a beveled support ledge at one end and notches at the opposite end is fabricated by utilizing a slip form packerhead apparatus in which the beveled support ledge is formed by a radially inwardly inclined trowel edge bearing against a pallet member which is caused to vibrate when concrete is injected into the slip form apparatus.
    Type: Application
    Filed: March 20, 2009
    Publication date: July 16, 2009
    Applicant: Precast Concepts, LLC
    Inventors: Edward J. Anderson, Geoffery S. Parrington, Eugene J. Pelchat, JR.
  • Precast concrete meter pit and method and apparatus for making same
    Publication number: 20090084793
    Abstract: A precast concrete meter pit consisting of a plurality of precast concrete hollow elongated cylindrical wall sections in end to end relation to one another is fabricated by utilizing a slip form packerhead apparatus in which the wall sections are formed with an annular slip ring when concrete is injected into the slip form apparatus.
    Type: Application
    Filed: October 17, 2008
    Publication date: April 2, 2009
    Applicant: Precast Concepts, LLC
    Inventors: Edward J. Anderson, Geoffery S. Parrington, Eugene J. Pelchat, JR.