| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 6 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Vehicle wheels | |
| #2 | Shafts | |
| #3 | Cross-cutting vehicle technologies | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Perego Alessandro | 12 |
| #2 | Perego Allesandro | 1 |
| #3 | Ferretto Cristiano | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1918127A2 | Trolley wheel with locking support | |
| EP1533139A2 | Castor for trolleys | |
| AU5410899A | System for securing a bearing or bearing assembly of a fork particularly for swivel castors | |
| DE19732920A1 | Castor with brake for hospital beds, etc. | |
| ITMI930920A1 | Braking device for swivel wheels |