| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 2 | |
| #4 | Germany | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Napier Donald Stewart | 12 |
| Publication | Filing date | Title |
|---|---|---|
| WO2011009162A1 | Barrier improvements | |
| WO2008009056A1 | Improved barrier | |
| US2010012910A1 | Barrier Improvements | |
| AU2006230796A1 | A barrier system | |
| EP1869268A1 | A barrier system | |
| ZA8306290B | Transportable house and a log panel | |
| DE2753014A1 | Load bearing building panel for wall - has wall panels erected between vertical roof support posts with cover plates for inner edges | |
| US4115969A | Building panel and wall |