| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Italy | 4 | |
| #3 | Germany | 3 | |
| #4 | France | 2 | |
| #5 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ravegnini Renzo | 4 |
| #2 | Ruggeri Giacomo | 2 |
| #3 | Brunelli Alessandro | 2 |
| #4 | Venturi Giorgio | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0712984A1 | Locking device for anti-panic doors | |
| EP0819814A2 | Lock for the secondary leaf of fire doors | |
| EP0547746A1 | Retention device | |
| EP0491486A1 | Exit device | |
| DE3330566A1 | Electrical snap lock | |
| DE2923598A1 | LOCKING CYLINDER AND LOCKING SYSTEM | |
| DE2436778A1 | LOCK FOR DOORS OR THE LIKE. WITH A WARNING DEVICE |