Patents by Inventor STEPHEN A. LUPTAK

STEPHEN A. LUPTAK 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: 11280056
    Abstract: Multi-oriented segmental wall blocks, soil reinforcing system, and methods related thereto are disclosed. The wall block may be a concrete masonry block used for constructing retaining walls. The wall block may include a front face; a rear cavity opposing the front 5 face and formed by an inner rear face, an outer rear face on three sides of the inner rear face and spaced apart therefrom, and a shelf defined therein by the inner rear face and the outer rear face; a troughed top face residing between the front face and the outer rear face; a flat bottom face opposing the troughed top face; a first side face residing between the front face and the outer rear face, and between the troughed top face and the flat bottom face; a second side face opposing the first side face; a trough running along the length of the troughed top face.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: March 22, 2022
    Assignee: Tensar International Corporation
    Inventors: Stephen A. Luptak, Aaron D. Smith, Andres F. Peralta, Willie Liew
  • Publication number: 20200308800
    Abstract: A segmental wall block, soil reinforcing system, and method related thereto, wherein the wall block may be used for constructing retaining walls. In one embodiment, the segmental wall block may include: a front face; a rear face; a slot disposed along the rear face; a troughed top face; a bottom face; a first and second open core extending from the top face to the bottom face; a first side having a tongue; and an opposing second side having a groove, wherein the tongue is shaped to interlock with the groove. A soil system may include: a wall block component including a first configuration of interlocked segmented wall blocks as described, and a stabilizing component. A method of reinforcing soil may include the steps of: installing a leveling pad of concrete or gravel; and providing a soil stabilizing system.
    Type: Application
    Filed: December 11, 2018
    Publication date: October 1, 2020
    Applicant: Tensar International Corporation
    Inventors: Willie Liew, Andres F. Peralta, Kord J. Wissmann, Stephen A. Luptak, Aaron D. Smith
  • Publication number: 20200270836
    Abstract: Multi-oriented segmental wall blocks, soil reinforcing system, and methods related thereto are disclosed. The wall block may be a concrete masonry block used for constructing retaining walls.
    Type: Application
    Filed: May 11, 2020
    Publication date: August 27, 2020
    Applicant: Tensar International Corporation
    Inventors: Stephen A. Luptak, Aaron D. Smith, Andres F. Peralta, Willie Liew
  • Patent number: 10648147
    Abstract: Multi-oriented segmental wall blocks, soil reinforcing system, and methods related thereto are disclosed. The wall block may be a concrete masonry block used for constructing retaining walls. The wall block may include a front face; a rear cavity opposing the front 5 face and formed by an inner rear face, an outer rear face on three sides of the inner rear face and spaced apart therefrom, and a shelf defined therein by the inner rear face and the outer rear face; a troughed top face residing between the front face and the outer rear face; a flat bottom face opposing the troughed top face; a first side face residing between the front face and the outer rear face, and between the troughed top face and the flat bottom face; a second side face opposing the first side face; a trough running along the length of the troughed top face.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: May 12, 2020
    Assignee: Tensar International Corporation
    Inventors: Stephen A. Luptak, Aaron D. Smith, Andres F. Peralta, Willie Liew
  • Publication number: 20190040602
    Abstract: Multi-oriented segmental wall blocks, soil reinforcing system, and methods related thereto are disclosed. The wall block may be a concrete masonry block used for constructing retaining walls.
    Type: Application
    Filed: February 8, 2017
    Publication date: February 7, 2019
    Applicant: TENSAR INTERNATIONAL CORPORATION
    Inventors: STEPHEN A. LUPTAK, AARON D. SMITH, ANDRES F. PERALTA, WILLIE LIEW