| # | Country | Total Patents | |
|---|---|---|---|
| #1 | South Africa | 2 | |
| #2 | Australia | 1 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Israel | 1 | |
| #7 | India | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Malawi | 1 | |
| #10 | Norway | 1 | |
| #11 | New Zealand | 1 | |
| #12 | Portugal | 1 | |
| #13 | United States | 1 | |
| #14 | Zimbabwe | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Swart Pieter Daniel | 10 |
| #2 | Pieter Daniel Swart | 1 |
| #3 | Swart Pieter D | 1 |
| #4 | Greunen George Van | 1 |
| #5 | George Van Greunen | 1 |
| #6 | Swart P D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA9006090B | Interlocking construction block | |
| IL81624D0 | Interlocking construction block | |
| ZA8701220B | Interlocking construction block |