| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 4 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | Israel | 1 | |
| #7 | Japan | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Bolts for doors or windows | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Castoldi Alberto | 9 |
| #2 | Aruberuto Kasutorudei | 1 |
| #3 | Angelini Edgardo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ITMI951279D0 | Handle assembly with rotating shaft that can be operated by pushing or pulling on a lever. | |
| BR9500931A | Handle locking device for opening doors by pressure or pull | |
| EP0663502A1 | Handle-lock device for either pressure or traction opening of doors | |
| EP0440983A2 | Revolving cylinder and radial piston type safety lock unit with relative key |