| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Hong Kong | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stefanescu Alexander | 10 |
| #2 | Wallberg Thomas | 3 |
| #3 | Kremer Ralf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1223270A2 | Lock cylinder with slip-clutch coupling to a rotating knob handle |