| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 4 | |
| #2 | Austria | 2 | |
| #3 | Denmark | 2 | |
| #4 | France | 2 | |
| #5 | United States | 2 | |
| #6 | Canada | 1 | |
| #7 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Alcorn John Stuart | 2 |
| #2 | Cooley John Francis | 1 |
| #3 | Development Company Cooley | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA109671A | Rotary fluid engine | |
| US914627A | Rotary engine. | |
| US693950A | Rotary fluid-engine. |