| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | Japan | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Denmark | 1 | |
| #5 | Italy | 1 | |
| #6 | Netherlands | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Cylinders for combustion engines | |
| #3 | Pistons and sealings | |
| #4 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mariani Lauro | 4 |
| #2 | Rauro Mariani | 2 |
| #3 | Cendak Bruno | 2 |
| #4 | Buruno Chiendaku | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4050421A | Cylinder liner with internal cooling ducts for internal combustion reciprocating engines | |
| CH610388A5 | Crank mechanism having a piston rod with crosshead for single-acting reciprocating engines | |
| DE2552879A1 | Two stroke engine piston ring - is in multiple circular sections to avoid damage when run over ports |