| # | Country | Total Patents | |
|---|---|---|---|
| #1 | WIPO (World Intellectual Property Organization) | 3 | |
| #2 | China | 2 | |
| #3 | United States | 2 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Republic of Korea | 1 | |
| #8 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lemke James U | 11 |
| #2 | Wahl Michael H | 7 |
| #3 | Lee Patrick R | 7 |
| #4 | Mchargue William B | 6 |
| #5 | Mc Hargue William B | 2 |
| #6 | Klyza Clark A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2006219213A1 | Opposed piston, homogeneous charge pilot ignition engine | |
| US2005274332A1 | Two-cycle, opposed-piston internal combustion engine |