| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | Germany | 4 | |
| #3 | Italy | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Switzerland | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Transport | |
| #3 | Electrical machinery and energy | |
| #4 | Civil engineering | |
| #5 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Hand carts | |
| #2 | Nails | |
| #3 | Electrically-conductive connections | |
| #4 | Doors and windows | |
| #5 | Office furniture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Barbuti Renzo | 4 |
| #2 | Nobile Giovanni | 2 |
| #3 | Zanardi Massimo | 2 |
| #4 | Renzo Barbuti | 2 |
| #5 | Steiner Karl | 1 |
| #6 | Bedogna Nello | 1 |
| #7 | De Giusto Angelo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2468018A1 | EXPANDABLE ASSEMBLY ELEMENT FOR TUBULAR ELEMENTS | |
| DE2363593A1 | EXPANSION CONNECTOR FOR CONNECTING TUBE SECTIONS | |
| DE2356377A1 | HOOK-IN FASTENING DEVICE | |
| GB1447263A | Clamping device | |
| US3309100A | Carriage for the conveyance of goods in bulk, chiefly intended for supermarkets and the like |