| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 9 | |
| #2 | United States | 6 | |
| #3 | Brazil | 4 | |
| #4 | Japan | 4 | |
| #5 | Belgium | 3 | |
| #6 | France | 3 | |
| #7 | United Kingdom | 3 | |
| #8 | Netherlands | 3 | |
| #9 | Switzerland | 2 | |
| #10 | Germany | 2 | |
| #11 | EPO (European Patent Office) | 2 | |
| #12 | South Africa | 2 | |
| #13 | Austria | 1 | |
| #14 | Australia | 1 | |
| #15 | Canada | 1 | |
| #16 | Luxembourg | 1 | |
| #17 | Norway | 1 | |
| #18 | Sweden | 1 | |
| #19 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Hats | |
| #2 | Skates | |
| #3 | Buttons, pins and buckles | |
| #4 | Footwear features |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nava Pier Luigi | 25 |
| #2 | Nava Pier L | 4 |
| #3 | Tesser Igino | 3 |
| #4 | Luigi Nava Pier | 2 |
| #5 | Nava P L | 2 |
| #6 | Nara Pier Luigi | 1 |
| #7 | Nava Pier Luigo | 1 |
| #8 | Pier L Nava | 1 |
| #9 | Pieru Ruigi Naba | 1 |
| #10 | Pieeru Ruigi Naba | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU7266787A | Helmet with air discharge | |
| EP0250759A1 | Device for dividing the air flow entering in a helmet into a central upward flow and two lateral flows | |
| CH667377A5 | Protective helmet holded back to the head. | |
| GB8608090D0 | Buckle | |
| YU7686A | Ski bindings | |
| US4703946A | Ski attachment device | |
| US4697289A | Protective device applicable to helmets, especially for sports use | |
| US4563825A | Boot particularly for sportswear |