Patents by Inventor Robert Lundell

Robert Lundell 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: 12312760
    Abstract: A segmented wall system includes a first course extending in a first direction and comprising a first wall block and a second wall block. A rear side of the first wall block is connected to a first side of a first tail block and a rear side of the second wall block is connected to a first side of a second tail block. The segmented wall system further includes a second course stacked on the first course. The second course includes a third wall block having a rear side connected to a first side of a third tail block. The rear side of the third tail block has a width in the first direction that is equal to or greater than a width in the first direction of the rear side of the third wall block.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: May 27, 2025
    Assignee: Keystone Retaining Wall Systems, LLC
    Inventor: Robert Lundell
  • Publication number: 20250084605
    Abstract: A segmented wall system includes a first course extending in a first direction and comprising a first wall block and a second wall block. A rear side of the first wall block is connected to a first side of a first tail block and a rear side of the second wall block is connected to a first side of a second tail block. The segmented wall system further includes a second course stacked on the first course. The second course includes a third wall block having a rear side connected to a first side of a third tail block. The rear side of the third tail block has a width in the first direction that is equal to or greater than a width in the first direction of the rear side of the third wall block.
    Type: Application
    Filed: November 14, 2024
    Publication date: March 13, 2025
    Inventor: Robert Lundell
  • Publication number: 20230090438
    Abstract: A segmented wall system includes a first course extending in a first direction and comprising a first wall block and a second wall block. A rear side of the first wall block is connected to a first side of a first tail block and a rear side of the second wall block is connected to a first side of a second tail block. The segmented wall system further includes a second course stacked on the first course. The second course includes a third wall block having a rear side connected to a first side of a third tail block. The rear side of the third tail block has a width in the first direction that is equal to or greater than a width in the first direction of the rear side of the third wall block.
    Type: Application
    Filed: September 20, 2022
    Publication date: March 23, 2023
    Inventor: Robert Lundell
  • Patent number: D1036706
    Type: Grant
    Filed: November 1, 2022
    Date of Patent: July 23, 2024
    Assignee: Keystone Retaining Wall Systems LLC
    Inventors: Robert Lundell, Brian Nemez