| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 | |
| #5 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | Shaping clay | |
| #3 | Air-conditioning | |
| #4 | Foundations and excavations | |
| #5 | Swimming pools | |
| #6 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lee Lum Mark E | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA2923562A1 | Ventilated building block and related mold components | |
| US2010242390A1 | Ventilated building block with drain feature | |
| US2010223868A1 | Ventilated building block | |
| US2010122507A1 | Ventilated building block |