| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Structural elements | |
| #2 | General building constructions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leone Salvatore | 13 |
| #2 | Leone S | 2 |
| Publication | Filing date | Title |
|---|---|---|
| ITMI911592D0 | Improvement to metal construction beams of the type having a combined structure, with an axially displaced core | |
| US3964217A | Load bearing beam for floors and the like | |
| US3953954A | Metal U-channel shaped element for reinforcing floors of concrete and lightening filling blocks | |
| CA952280A | Metal trestle for manufacturing reinforced concrete beams for floors |