| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 5 | |
| #2 | United States | 4 | |
| #3 | Switzerland | 1 | |
| #4 | Germany | 1 | |
| #5 | Spain | 1 | |
| #6 | France | 1 | |
| #7 | Portugal | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Chemical engineering | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Handling thin material | |
| #2 | Textile treatments | |
| #3 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Crotti Renato | 6 |
| #2 | Renato Crotti | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2741273A1 | Coreless coil windings prodn. system - with synchronously driven belts forming yarn ring loops on winding disc | |
| US3921267A | Apparatus for producing a coiled thread package | |
| US3935622A | Apparatus for producing a coiled thread package |