| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Italy | 4 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Unspecified technologies | |
| #3 | Separating solids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Prodi Vittorio | 11 |
| Publication | Filing date | Title |
|---|---|---|
| EP0159002A1 | A device for separating airborne particles into grain size classes | |
| EP0159648A1 | A device for the separation of airborne particles into grain size classes | |
| EP0159647A1 | An improved device for the separation of airborne particles into classes by grain size | |
| EP0159646A1 | A device for separating airborne particles in dependence on grain size |