| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | China | 2 | |
| #3 | United States | 2 | |
| #4 | Australia | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Denmark | 1 | |
| #7 | Japan | 1 | |
| #8 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Turning | |
| #3 | Milling | |
| #4 | Unspecified technologies | |
| #5 | Nails | |
| #6 | Clutches and brakes | |
| #7 | Accessories for machine tools | |
| #8 | Thread cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Willen Charles | 3 |
| #2 | Berchtold Stephan | 3 |
| #3 | Willen Charles Gerard | 3 |
| #4 | Wairen Chiyaaruzu | 1 |
| #5 | Chares Willen | 1 |
| #6 | Stephan Berchtold | 1 |
| #7 | Gerald Willen C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CH714283B1 | Vortex device. | |
| EP0667461A1 | Precision connection between two parts | |
| EP0360947A1 | Collet to hold a tool, especially a cutting tool | |
| EP0114443A2 | Tool support for a machine tool |