| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 15 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Gas-flow silencers for machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bruno Cossu | 1 |
| #2 | Mario Pandolfo Salvatore | 1 |
| #3 | Rorro Rocco | 1 |
| #4 | Alessandro Mascioli | 1 |
| #5 | Brevetto Il Richiedente Il | 1 |
| #6 | Armando Giorgi | 1 |
| #7 | Vincenzo Piero Di | 1 |
| #8 | Ettore Impelluso | 1 |
| #9 | Emanuele Aprile | 1 |
| #10 | Carlini Erminio | 1 |