Keystone Retaining Wall Systems LLC

Organization

West Chester, OH, US

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Block, block system and method of making a block
- Patent number 11,958,211
- Issue date Apr 16, 2024
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Retaining wall block and retaining wall block system
- Patent number 11,598,094
- Issue date Mar 7, 2023
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Block, block system and method of making a block
- Patent number 11,498,241
- Issue date Nov 15, 2022
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Retaining wall containing wall blocks with weight bearing pads
- Patent number 11,401,714
- Issue date Aug 2, 2022
- Keystone Retaining Wall Systems, LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Bridging lintel with support hangers for an insert and block system...
- Patent number 11,346,559
- Issue date May 31, 2022
- Keystone Retaining Wall Systems LLC
- William H. Karau
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Wall blocks having one or more multi-faceted faces or side walls, w...
- Patent number 11,174,616
- Issue date Nov 16, 2021
- Keystone Retaining Wall Systems LLC
- Dominic T. Riccobene
- E04 - BUILDING
Information Patent Grant
Patio blocks and block systems with side surface positioning and re...
- Patent number 11,060,305
- Issue date Jul 13, 2021
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Wall blocks, veneer panels for wall blocks and method of constructi...
- Patent number 10,927,547
- Issue date Feb 23, 2021
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Landscaping block wall
- Patent number D905282
- Issue date Dec 15, 2020
- Keystone Retaining Wall Systems LLC
- Dominic T. Riccobene
- D25 - Building units and construction elements
Information Patent Grant
Veneer connectors, wall blocks, veneer panels for wall blocks, and...
- Patent number 10,760,281
- Issue date Sep 1, 2020
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Grant
Retaining wall block and retaining wall block system
- Patent number 10,760,269
- Issue date Sep 1, 2020
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E04 - BUILDING
Information Patent Grant
Blocks, block systems and methods of making blocks
- Patent number 10,760,242
- Issue date Sep 1, 2020
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Grant
Wall blocks having one or more multi-faceted faces or side walls, w...
- Patent number 10,711,425
- Issue date Jul 14, 2020
- Keystone Retaining Wall Systems LLC
- Dominic T. Riccobene
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Patio blocks and block systems with side surface positioning and re...
- Patent number 10,655,340
- Issue date May 19, 2020
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Landscaping block
- Patent number D880727
- Issue date Apr 7, 2020
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements
Information Patent Grant
Planter block
- Patent number D877653
- Issue date Mar 10, 2020
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D11 - Jewelry, symbolic insignia, and ornaments
Information Patent Grant
Retaining wall containing wall blocks with weight bearing pads
- Patent number 10,519,656
- Issue date Dec 31, 2019
- Keystone Retaining Wall Systems LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Landscaping block
- Patent number D866799
- Issue date Nov 12, 2019
- Keystone Retaining Wall Systems LLC
- Dominic T. Riccobene
- D25 - Building units and construction elements
Information Patent Grant
Blocks and block connectors, block systems and methods of making bl...
- Patent number 10,422,101
- Issue date Sep 24, 2019
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Patio blocks and block systems with side surface positioning and re...
- Patent number 10,370,859
- Issue date Aug 6, 2019
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Blocks, block systems and methods of making blocks
- Patent number 10,337,163
- Issue date Jul 2, 2019
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Wall block
- Patent number D846760
- Issue date Apr 23, 2019
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements
Information Patent Grant
Landscaping block
- Patent number D844181
- Issue date Mar 26, 2019
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements
Information Patent Grant
Veneer connectors, wall blocks, veneer panels for wall blocks, and...
- Patent number 10,156,077
- Issue date Dec 18, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Grant
Landscaping block
- Patent number D824542
- Issue date Jul 31, 2018
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements
Information Patent Grant
Landscaping block
- Patent number D819231
- Issue date May 29, 2018
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements
Information Patent Grant
Wall block and wall block system
- Patent number 9,957,687
- Issue date May 1, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Grant
Landscaping block
- Patent number D816869
- Issue date May 1, 2018
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- D25 - Building units and construction elements
Information Patent Grant
Patio blocks and block systems with side surface positioning and re...
- Patent number 9,951,527
- Issue date Apr 24, 2018
- Keystone Retaining Wall Systems LLC
- Robert John Lundell
- E04 - BUILDING
Information Patent Grant
Connector
- Patent number D815938
- Issue date Apr 24, 2018
- Keystone Retaining Wall Systems LLC
- Robert A. MacDonald
- D08 - Tools and hardware

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Patents Applicationslast 30 patents

Information Patent Application
BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK
- Publication number 20230219253
- Publication date Jul 13, 2023
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...
- Publication number 20210172171
- Publication date Jun 10, 2021
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
RETAINING WALL BLOCK AND RETAINING WALL BLOCK SYSTEM
- Publication number 20200347596
- Publication date Nov 5, 2020
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WALL BLOCKS HAVING ONE OR MORE MULTI-FACETED FACES OR SIDE WALLS, W...
- Publication number 20200299920
- Publication date Sep 24, 2020
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Dominic T. Riccobene
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...
- Publication number 20200284046
- Publication date Sep 10, 2020
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
BRIDGING LINTEL WITH SUPPORT HANGERS FOR AN INSERT AND BLOCK SYSTEM...
- Publication number 20200182473
- Publication date Jun 11, 2020
- KEYSTONE RETAINING WALL SYSTEMS LLC
- William H. Karau
- F24 - HEATING RANGES VENTILATING
Information Patent Application
RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS
- Publication number 20200131766
- Publication date Apr 30, 2020
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...
- Publication number 20190352914
- Publication date Nov 21, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E04 - BUILDING
Information Patent Application
BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS
- Publication number 20190323198
- Publication date Oct 24, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
WALL BLOCKS HAVING ONE OR MORE MULTI-FACETED FACES OR SIDE WALLS, W...
- Publication number 20190277001
- Publication date Sep 12, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Dominic T. Riccobene
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
CONNECTION SURFACE FOR A STRUCTURAL UNIT AND METHOD OF MAKING SAME
- Publication number 20190234041
- Publication date Aug 1, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Thomas S. Riccobene
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
RETAINING WALL BLOCK AND RETAINING WALL BLOCK SYSTEM
- Publication number 20190119915
- Publication date Apr 25, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E04 - BUILDING
Information Patent Application
VENEER CONNECTORS, WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS, AND...
- Publication number 20190055736
- Publication date Feb 21, 2019
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...
- Publication number 20180334805
- Publication date Nov 22, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK
- Publication number 20180333893
- Publication date Nov 22, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...
- Publication number 20180238061
- Publication date Aug 23, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E04 - BUILDING
Information Patent Application
RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS
- Publication number 20180106038
- Publication date Apr 19, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS
- Publication number 20180044877
- Publication date Feb 15, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCKS AND BLOCK CONNECTORS, BLOCK SYSTEMS AND METHODS OF MAKING BL...
- Publication number 20180030683
- Publication date Feb 1, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
VENEER CONNECTORS, WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS, AND...
- Publication number 20180023303
- Publication date Jan 25, 2018
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E04 - BUILDING
Information Patent Application
RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS
- Publication number 20170121974
- Publication date May 4, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WALL BLOCK AND WALL BLOCK SYSTEM
- Publication number 20170114515
- Publication date Apr 27, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS
- Publication number 20170072593
- Publication date Mar 16, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...
- Publication number 20170022722
- Publication date Jan 26, 2017
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert John Lundell
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS
- Publication number 20160303763
- Publication date Oct 20, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- David M. LaCroix
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS
- Publication number 20160244936
- Publication date Aug 25, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCKS AND BLOCK CONNECTORS, BLOCK SYSTEMS AND METHODS OF MAKING BL...
- Publication number 20160237638
- Publication date Aug 18, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...
- Publication number 20160069078
- Publication date Mar 10, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
WALL BLOCK AND WALL BLOCK SYSTEM
- Publication number 20160010307
- Publication date Jan 14, 2016
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK
- Publication number 20150097312
- Publication date Apr 9, 2015
- KEYSTONE RETAINING WALL SYSTEMS LLC
- Robert A. MacDonald
- B28 - WORKING CEMENT, CLAY, OR STONE

Keystone Retaining Wall Systems LLC

Organization

Patents Grantslast 30 patents

Block, block system and method of making a block

Retaining wall block and retaining wall block system

Block, block system and method of making a block

Retaining wall containing wall blocks with weight bearing pads

Bridging lintel with support hangers for an insert and block system...

Wall blocks having one or more multi-faceted faces or side walls, w...

Patio blocks and block systems with side surface positioning and re...

Wall blocks, veneer panels for wall blocks and method of constructi...

Landscaping block wall

Veneer connectors, wall blocks, veneer panels for wall blocks, and...

Retaining wall block and retaining wall block system

Blocks, block systems and methods of making blocks

Wall blocks having one or more multi-faceted faces or side walls, w...

Patio blocks and block systems with side surface positioning and re...

Landscaping block

Planter block

Retaining wall containing wall blocks with weight bearing pads

Landscaping block

Blocks and block connectors, block systems and methods of making bl...

Patio blocks and block systems with side surface positioning and re...

Blocks, block systems and methods of making blocks

Wall block

Landscaping block

Veneer connectors, wall blocks, veneer panels for wall blocks, and...

Landscaping block

Landscaping block

Wall block and wall block system

Landscaping block

Patio blocks and block systems with side surface positioning and re...

Connector

Patents Applicationslast 30 patents

BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK

WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...

RETAINING WALL BLOCK AND RETAINING WALL BLOCK SYSTEM

WALL BLOCKS HAVING ONE OR MORE MULTI-FACETED FACES OR SIDE WALLS, W...

PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...

BRIDGING LINTEL WITH SUPPORT HANGERS FOR AN INSERT AND BLOCK SYSTEM...

RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS

PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...

BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS

WALL BLOCKS HAVING ONE OR MORE MULTI-FACETED FACES OR SIDE WALLS, W...

CONNECTION SURFACE FOR A STRUCTURAL UNIT AND METHOD OF MAKING SAME

RETAINING WALL BLOCK AND RETAINING WALL BLOCK SYSTEM

VENEER CONNECTORS, WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS, AND...

WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...

BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK

PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...

RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS

BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS

BLOCKS AND BLOCK CONNECTORS, BLOCK SYSTEMS AND METHODS OF MAKING BL...

VENEER CONNECTORS, WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS, AND...

RETAINING WALL CONTAINING WALL BLOCKS WITH WEIGHT BEARING PADS

WALL BLOCK AND WALL BLOCK SYSTEM

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS

PATIO BLOCKS AND BLOCK SYSTEMS WITH SIDE SURFACE POSITIONING AND RE...

BLOCK SPLITTER ASSEMBLY AND METHOD OF PRODUCING WALL BLOCKS

BLOCKS, BLOCK SYSTEMS AND METHODS OF MAKING BLOCKS

BLOCKS AND BLOCK CONNECTORS, BLOCK SYSTEMS AND METHODS OF MAKING BL...

WALL BLOCKS, VENEER PANELS FOR WALL BLOCKS AND METHOD OF CONSTRUCTI...

WALL BLOCK AND WALL BLOCK SYSTEM

BLOCK, BLOCK SYSTEM AND METHOD OF MAKING A BLOCK