| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Spain | 4 | |
| #4 | United States | 4 | |
| #5 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Machines | |
| #3 | Positive-displacement engines | |
| #4 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Crayssac Desire | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US1120034A | Rotary motor. | |
| GB191305217A | Improvements in Internal Combustion Engines. | |
| US1163323A | Rotary motor. | |
| GB191209716A | Improvements in Rotary Internal Combustion Engines. | |
| US1082224A | Rotary valveless motor. | |
| GB191301723A | Improvements in Rotary Fluid-pressure Motors. | |
| GB191019787A | Improvements in or connected with Four-stroke Cycle Internal Combustion Engines. | |
| US1125663A | Two-cycle valveless internal-combustion engine. |