| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 3 | |
| #2 | Canada | 2 | |
| #3 | United States | 2 | |
| #4 | Austria | 1 | |
| #5 | Germany | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Giacomini Marco | 6 |
| #2 | Esposito Leonardo | 2 |
| #3 | Giacomini Elena | 1 |
| #4 | Giacomini M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5094261A | Non-return valve | |
| US4893644A | Non-return valve for supply cocks | |
| EP0297382A2 | Improved ball-valve | |
| DE2813954A1 | TIRE COVER |