| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | France | 3 | |
| #3 | Sweden | 3 | |
| #4 | United States | 3 | |
| #5 | Czechoslovakia | 1 | |
| #6 | Germany | 1 | |
| #7 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Woven fabrics | |
| #2 | Knitting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Calamani Sergio | 7 |
| #2 | Turri Eugenio | 6 |
| #3 | Savio Ermanno | 6 |
| Publication | Filing date | Title |
|---|---|---|
| US4013238A | Device for controlling the balloon and tension in the thread from a thread storing and distributing apparatus to an operating machine | |
| CS198164B2 | Apparatus for maintaining yarn reserve and uniform yarn take-off tension | |
| US4037802A | Apparatus for storing and feeding yarn to yarn using machines |