| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 3 | |
| #2 | Brazil | 2 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Hong Kong | 2 | |
| #6 | Taiwan | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 2 | |
| #8 | Australia | 1 | |
| #9 | India | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Rotary-pistons | |
| #2 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Persici Danilo | 9 |
| #2 | Ferretti Stefano | 9 |
| #3 | Catania Giuseppe | 7 |
| #4 | Danilo Persici | 1 |
| #5 | Giuseppe Catania | 1 |
| #6 | Stefano Ferretti | 1 |
| Publication | Filing date | Title |
|---|---|---|
| TW201512541A | Gear pump or hydraulic gear motor with helical toothing provided with hydraulic system for axial thrust balance | |
| TW201026959A | Tooth profile for rotors of positive displacement external gear pumps |