| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 2 | |
| #2 | Canada | 2 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Mexico | 2 | |
| #5 | United States | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Rotary pistons | |
| #2 | Climate change mitigation in transportation | |
| #3 | Internal-combustion piston engines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karnes Mark D | 11 |
| #2 | Mark D Karnes | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2007204831A1 | Internal combustion engine | |
| US6796285B2 | Internal combustion engine |