| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Brazil | 2 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Australia | 1 | |
| #5 | Italy | 1 | |
| #6 | New Zealand | 1 | |
| #7 | Sweden | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Platform constructions | |
| #2 | Construction of bridges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Peterson Carl William | 11 |
| Publication | Filing date | Title |
|---|---|---|
| ZA8403844B | Culvert | |
| DE3222409A1 | ARCH THROUGH ARRANGEMENT |