| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 6 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 | |
| #5 | France | 1 | |
| #6 | Israel | 1 | |
| #7 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Making screws | |
| #3 | Footwear features |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sala Carlo | 12 |
| #2 | Tosi Gregorio | 1 |
| #3 | Carlo Sala | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1116888A2 | A self-threading screw provided with a point and apparatus to produce it | |
| EP1041300A1 | Self-threading screw for metal with six formers of prismatic shape | |
| EP0677667A1 | Screw and relative screwing tool | |
| EP0425874A1 | Self-threading screw for plastics and like materials, including soft metals, having a high tearing strenght and a very low threading torque | |
| FR2641950A3 | Insert for needle heel |