Patents by Inventor Robert A. MacDonald

Robert A. MacDonald 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: 11958211
    Abstract: A block, block system and method of making a wall block. A block with multiple embodiments of a visually exposed surface having three dimensional shaped areas and three dimensional angular valleys or joints that can be used to construct a patio, wall, fence or the like; the multiple embodiments creating a more random and natural appearance. A mold box having a moveable liner and a stripper shoe that impart three dimensional shaped areas and three dimensional angular valleys or joints onto an exposed surface of a block. The moveable liner and stripper shoe also impart a parting line onto the exposed surface of the block.
    Type: Grant
    Filed: November 14, 2022
    Date of Patent: April 16, 2024
    Assignee: Keystone Retaining Wall Systems LLC
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Publication number: 20230219253
    Abstract: A block, block system and method of making a wall block. A block with multiple embodiments of a visually exposed surface having three dimensional shaped areas and three dimensional angular valleys or joints that can be used to construct a patio, wall, fence or the like; the multiple embodiments creating a more random and natural appearance. A mold box having a moveable liner and a stripper shoe that impart three dimensional shaped areas and three dimensional angular valleys or joints onto an exposed surface of a block. The moveable liner and stripper shoe also impart a parting line onto the exposed surface of the block.
    Type: Application
    Filed: November 14, 2022
    Publication date: July 13, 2023
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Patent number: 11498241
    Abstract: A block, block system and method of making a wall block. A block with multiple embodiments of a visually exposed surface having three dimensional shaped areas and three dimensional angular valleys or joints that can be used to construct a patio, wall, fence or the like; the multiple embodiments creating a more random and natural appearance. A mold box having a moveable liner and a stripper shoe that impart three dimensional shaped areas and three dimensional angular valleys or joints onto an exposed surface of a block. The moveable liner and stripper shoe also impart a parting line onto the exposed surface of the block.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: November 15, 2022
    Assignee: Keystone Retaining Wall Systems LLC
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Patent number: 11060305
    Abstract: A landscaping block having a block body with at least a first side surface, a second side surface, a third side surface and a fourth side surface, and opposed and substantially parallel top and bottom surfaces. The patio block having at least one spacer projection extending outwardly from each of the at least first, second, third and fourth side surfaces. The patio block having at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces. The at least one spacer locator positioned along each side surface has a retaining surface shaped to receive a spacer projection, at least a portion of the retaining surface extending outwardly from the side surface.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: July 13, 2021
    Assignee: Keystone Retaining Wall Systems LLC
    Inventors: Robert John Lundell, Robert A. MacDonald
  • Publication number: 20210172171
    Abstract: Wall blocks, veneers, veneer connectors, walls, and methods of constructing walls are provided. More particularly, the invention relates to constructing walls in which a veneer panel is attached to a wall block with a connector and in which the front faces of the veneers have a desirable texture.
    Type: Application
    Filed: February 19, 2021
    Publication date: June 10, 2021
    Inventor: Robert A. MacDonald
  • Patent number: 10927547
    Abstract: Wall blocks, veneers, veneer connectors, walls, and methods of constructing walls are provided. More particularly, the invention relates to constructing walls in which a veneer panel is attached to a wall block with a connector and in which the front faces of the veneers have a desirable texture.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: February 23, 2021
    Assignee: Keystone Retaining Wall Systems LLC
    Inventor: Robert A. MacDonald
  • Publication number: 20200284046
    Abstract: A landscaping block having a block body with at least a first side surface, a second side surface, a third side surface and a fourth side surface, and opposed and substantially parallel top and bottom surfaces. The patio block having at least one spacer projection extending outwardly from each of the at least first, second, third and fourth side surfaces. The patio block having at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces. The at least one spacer locator positioned along each side surface has a retaining surface shaped to receive a spacer projection, at least a portion of the retaining surface extending outwardly from the side surface.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 10, 2020
    Applicant: Keystone Retaining Wall Systems LLC
    Inventors: Robert John Lundell, Robert A. MacDonald
  • Patent number: 10760242
    Abstract: A block, block system and method of making a wall block. Multiple block embodiments with multiple embodiments of a visually exposed surface having three dimensional shaped areas and three dimensional angular valleys or joints that can be used to construct a patio, wall, fence or the like; the multiple embodiments creating a more random and natural appearance.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: September 1, 2020
    Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Patent number: 10760224
    Abstract: A block suitable for use in paving, edging or wall applications comprises a lower portion having parallel, substantially vertical side faces that are spaced apart by a first width, and an upper portion having parallel, substantially vertical side faces that are spaced apart by a second width. The second width is smaller than the first width of the lower portion, and the side faces of the upper portion are angled relative to the side faces of the lower portion. The block further comprises a transition portion between the upper and lower portions, having at least one slanted side extending between one or more sides of the lower portion and one or more sides, respectively, of the upper portion.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: September 1, 2020
    Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Patent number: 10760281
    Abstract: Wall blocks, veneers, veneer connectors, walls, and methods of constructing walls are provided. More particularly, the invention relates to constructing walls in which a veneer panel is attached to a wall block with a connector and in which the front faces of the veneers have a desirable texture.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: September 1, 2020
    Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Robert A. MacDonald, Robert John Lundell
  • Patent number: 10655340
    Abstract: A landscaping block having a block body with at least a first side surface, a second side surface, a third side surface and a fourth side surface, and opposed and substantially parallel top and bottom surfaces. The patio block having at least one spacer projection extending outwardly from each of the at least first, second, third and fourth side surfaces. The patio block having at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces. The at least one spacer locator positioned along each side surface has a retaining surface shaped to receive a spacer projection, at least a portion of the retaining surface extending outwardly from the side surface.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: May 19, 2020
    Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Robert John Lundell, Robert A. MacDonald
  • Publication number: 20190352914
    Abstract: A landscaping block having a block body with at least a first side surface, a second side surface, a third side surface and a fourth side surface, and opposed and substantially parallel top and bottom surfaces. The patio block having at least one spacer projection extending outwardly from each of the at least first, second, third and fourth side surfaces. The patio block having at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces. The at least one spacer locator positioned along each side surface has a retaining surface shaped to receive a spacer projection, at least a portion of the retaining surface extending outwardly from the side surface.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 21, 2019
    Applicant: Keystone Retaining Wall Systems LLC
    Inventors: Robert John Lundell, Robert A. MacDonald
  • Publication number: 20190323198
    Abstract: A block, block system and method of making a wall block. Multiple block embodiments with multiple embodiments of a visually exposed surface having three dimensional shaped areas and three dimensional angular valleys or joints that can be used to construct a patio, wall, fence or the like; the multiple embodiments creating a more random and natural appearance.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Applicant: Keystone Retaining Wall Systems LLC
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Publication number: 20190309484
    Abstract: A block suitable for use in paving, edging or wall applications comprises a lower portion having parallel, substantially vertical side faces that are spaced apart by a first width, and an upper portion having parallel, substantially vertical side faces that are spaced apart by a second width. The second width is smaller than the first width of the lower portion, and the side faces of the upper portion are angled relative to the side faces of the lower portion. The block further comprises a transition portion between the upper and lower portions, having at least one slanted side extending between one or more sides of the lower portion and one or more sides, respectively, of the upper portion.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 10, 2019
    Applicant: Keystone Retaining Wall Systems LLC
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Patent number: 10422101
    Abstract: A retaining wall block and a setback connector for use in forming retaining walls having a desired setback between adjacent courses of blocks in a retaining wall. The method of constructing a retaining wall with a plurality of the blocks and setback connectors.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: September 24, 2019
    Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Patent number: 10370859
    Abstract: A landscaping block having a block body with at least a first side surface, a second side surface, a third side surface and a fourth side surface, and opposed and substantially parallel top and bottom surfaces. The patio block having at least one spacer projection extending outwardly from each of the at least first, second, third and fourth side surfaces. The patio block having at least one spacer locator positioned along each one of the first, second, third and fourth side surfaces. The at least one spacer locator positioned along each side surface has a retaining surface shaped to receive a spacer projection, at least a portion of the retaining surface extending outwardly from the side surface.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 6, 2019
    Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Robert John Lundell, Robert A. MacDonald
  • Publication number: 20190234041
    Abstract: A connection surface disposed on a face of a structural unit comprises a first segment having a three dimensional surface profile including a plurality of positive outer surfaces extending outwardly along a normal direction from a plane and a plurality of negative outer surfaces extending inwardly along the normal direction from the plane, wherein at least two of the plurality of positive outer surfaces are separated from one another along both vertical and horizontal directions and at least two of the plurality of negative outer surfaces are separated from one another along vertical and horizontal directions. A second segment opposes the first segment with respect to an axis, wherein the second segment is a substantial reflection of the first segment across the axis, but reversed along the normal direction.
    Type: Application
    Filed: January 24, 2019
    Publication date: August 1, 2019
    Applicant: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Thomas S. Riccobene, Robert A. MacDonald
  • Patent number: 10337163
    Abstract: A block, block system and method of making a wall block. Multiple block embodiments with multiple embodiments of a visually exposed surface having three dimensional shaped areas and three dimensional angular valleys or joints that can be used to construct a patio, wall, fence or the like; the multiple embodiments creating a more random and natural appearance.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: July 2, 2019
    Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Patent number: 10329717
    Abstract: A block suitable for use in paving, edging or wall applications comprises a lower portion having parallel, substantially vertical side faces that are spaced apart by a first width, and an upper portion having parallel, substantially vertical side faces that are spaced apart by a second width. The second width is smaller than the first width of the lower portion, and the side faces of the upper portion are angled relative to the side faces of the lower portion. The block further comprises a transition portion between the upper and lower portions, having at least one slanted side extending between one or more sides of the lower portion and one or more sides, respectively, of the upper portion.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: June 25, 2019
    Assignee: KEYSTONE RETAINING WALL SYSTEMS LLC
    Inventors: Robert A. MacDonald, Thomas S. Riccobene
  • Publication number: 20190055736
    Abstract: Wall blocks, veneers, veneer connectors, walls, and methods of constructing walls are provided. More particularly, the invention relates to constructing walls in which a veneer panel is attached to a wall block with a connector and in which the front faces of the veneers have a desirable texture.
    Type: Application
    Filed: October 23, 2018
    Publication date: February 21, 2019
    Applicant: Keystone Retaining Wall Systems LLC
    Inventors: Robert A. MacDonald, Robert John Lundell