| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 2 | |
| #2 | Brazil | 1 | |
| #3 | Canada | 1 | |
| #4 | China | 1 | |
| #5 | Hong Kong | 1 | |
| #6 | Republic of Korea | 1 | |
| #7 | Mexico | 1 | |
| #8 | Russian Federation | 1 | |
| #9 | United States | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Rotary pistons | |
| #2 | Internal-combustion piston engines | |
| #3 | Rotary-pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Libralato Ruggero | 8 |
| #2 | Ruggero Libralato | 2 |
| #3 | Libralato Ruggero R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN105026688A | Ignition engine of the rotary type with a double rotation center |