| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Republic of Korea | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Machines | |
| #3 | Shafts | |
| #4 | Controlling combustion engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blackstock Scott | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2014326219A1 | Variable compression ratio engine | |
| US2014123959A1 | Variable compression ratio engine |