| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | Spain | 2 | |
| #4 | United States | 2 | |
| #5 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Philippe Raoul | 11 |
| #2 | Perron Gustave | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191303648A | Improvements in the Driving Gear of Motors, Pumps and Meters. | |
| US1190949A | Mechanical movement. | |
| GB191213701A | Improvements in Means for Simultaneously Operating a Cinematograph and a Phonograph. | |
| GB190613643A | Improved Apparatus for Starting Explosion Motors. | |
| GB190522886A | Improvements in Fluid Pressure Motors, Pumps, Measuring Devices and the like. | |
| US852033A | Motor. |