| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 28 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Foundations and excavations | |
| #2 | Structural elements | |
| #3 | General building constructions | |
| #4 | Finishing work on buildings | |
| #5 | Shaping clay | |
| #6 | Unspecified technologies | |
| #7 | Shaping of plastics | |
| #8 | Swimming pools | |
| #9 | Fillers | |
| #10 | Construction of roads |
| # | Name | Total Patents |
|---|---|---|
| #1 | Macdonald Robert A | 29 |
| #2 | Riccobene Thomas S | 8 |
| #3 | Dawson William B | 6 |
| #4 | Lundell Robert John | 2 |
| #5 | Lacroix David M | 1 |
| #6 | Race Robert J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2016244936A1 | Blocks, block systems and methods of making blocks | |
| US2015097312A1 | Block, block system and method of making a block | |
| US2011072753A1 | Wall blocks, veneer panels for wall blocks and method of constructing walls | |
| US2007110524A1 | Pin having a tapered cap | |
| US2005242468A1 | Composite capping block | |
| CA797139A | Process for the preparation of pure ammonium phosphate |