| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Republic of Korea | 2 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Watkins Barton W | 11 |
| #2 | Hendrix Lawrence A | 8 |
| #3 | Watkins Ernest R | 5 |
| #4 | Hendrix Lawrance A | 2 |
| #5 | Watkins Legal Representative B | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO2012151423A2 | Dual tip seals for a rotary engine | |
| WO2012142546A2 | Fuel injector nozzle for an internal combustion engine | |
| WO2008134550A1 | Rotary engine combustion chamber | |
| CA2537821A1 | Planetary rotary internal combustion engine |