ETIENNE ROYER has a total of 11 patent applications. Its first patent ever was published in 1904. It filed its patents most often in France and United Kingdom. Its main competitors in its focus markets transport, measurement and engines, pumps and turbines are BENDIX RES CORP, TAMPIER RENE and SIEBEL FLUGZEUGWERKE G M B H.
| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 10 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Measurement | |
| #3 | Engines, pumps and turbines | |
| #4 | Environmental technology | |
| #5 | Electrical machinery and energy |
| # | Name | Total Patents |
|---|---|---|
| #1 | Royer Etienne | 10 |
| Publication | Filing date | Title |
|---|---|---|
| GB143953A | Improvements in or connected with the planes of aeroplanes |