| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 4 | |
| #2 | United States | 4 | |
| #3 | Austria | 3 | |
| #4 | Switzerland | 2 | |
| #5 | Germany | 2 | |
| #6 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Machines | |
| #2 | Gearing | |
| #3 | Pumps | |
| #4 | Vehicle transmission mounting | |
| #5 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brun Louis | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US1050760A | Reversible rotary motor. | |
| US1048468A | Reversible rotary motor. | |
| US1058697A | Power-transmitting plant. | |
| GB191211258A | Fluid Pressure Power Transmission. | |
| GB191119472A | A Reversible Rotary Motor. | |
| US1048391A | Rotary motor. | |
| CA150202A | Rotary motor | |
| GB191115579A | A Reversible Rotary Motor or Pump. |