| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 5 | |
| #2 | United Kingdom | 5 | |
| #3 | Austria | 2 | |
| #4 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Augustine Benjamin Franklin | 9 |
| #2 | Benjamin Franklin Augustine | 5 |
| Publication | Filing date | Title |
|---|---|---|
| GB113808A | Improved Internal Combustion Engine. | |
| CA179173A | Gas engine | |
| GB191204297A | Improvements in Rotary Gas Engines. | |
| GB191109458A | Improvements in Rotary Engines. | |
| GB191017783A | Improvements in Rotary Engines. | |
| GB190718394A | Improvements in Rotary Engines. | |
| CA196743A | Rotary engine |