| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Argentina | 1 | |
| #2 | Brazil | 1 | |
| #3 | Egypt | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Spain | 1 | |
| #6 | Ireland | 1 | |
| #7 | India | 1 | |
| #8 | Republic of Korea | 1 | |
| #9 | Mexico | 1 | |
| #10 | Philippines | 1 | |
| #11 | USSR (Union of Socialist Soviet Republics) | 1 | |
| #12 | Turkey | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Climate change mitigation in transportation | |
| #2 | Internal-combustion piston engines | |
| #3 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mccann James Lawrence | 8 |
| Publication | Filing date | Title |
|---|---|---|
| EG15321A | Rotary engine | |
| IE53155B1 | Rotary engine | |
| KR890000571B1 | Rotary engine |