| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 3 | |
| #2 | Australia | 2 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | EPO (European Patent Office) | 2 | |
| #6 | United States | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | Russian Federation | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pratolongo Modesto | 12 |
| #2 | Modesto Pratolongo | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9104864D0 | A device for the dynamic coupling between two propeller shafts with possibility of variation in the transmitted torque and speed values | |
| GB8926324D0 | Dynamic coupling device to transmit a rotatory motion between two shafts | |
| GB8825779D0 | Dynamic coupling device to transmit rotatory motion between two shafts |