| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 4 | |
| #2 | Brazil | 3 | |
| #3 | South Africa | 3 | |
| #4 | Argentina | 1 | |
| #5 | Australia | 1 | |
| #6 | Israel | 1 | |
| #7 | Netherlands | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leone S | 8 |
| #2 | Leone Salvatore | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ZA7207743B | Load bearing metal beam for floors and ceilings | |
| ZA7207744B | Load bearing metal beam for floors and ceilings | |
| ZA7106845B | Metal trestle for manufacturing reinforced concrete beams for floors |