| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Italy | 9 | |
| #2 | EPO (European Patent Office) | 1 | |
| #3 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Machines | |
| #3 | Cyclically operating valves |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bertocci Mario | 6 |
| #2 | Pier Lorenzo Levi D Ancona | 1 |
| #3 | Berutotsuchi Mario | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0115257A1 | Caburating displacement engine with pistons arranged one within another and slide-valves |