| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 16 | |
| #2 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Electric incandescent lamps | |
| #3 | Safety devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Warin Maurice-Paul | 3 |
| #2 | Dejardin Georges-Louis-Charle | 3 |
| #3 | Warin | 2 |
| #4 | Biolley Elie | 2 |
| #5 | Dejardin Georges-Louis | 2 |
| #6 | Pelletier Gabriel | 1 |
| #7 | Bobenrieth A | 1 |
| #8 | Pelletier | 1 |
| #9 | Bertrand | 1 |
| #10 | Thovert Jean-Marie | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB422256A | Improvements in or relating to electric discharge lamps of the cathode glow type | |
| GB412024A | Improvements in electric discharge tubes chiefly for television and luminescent relays | |
| GB364583A | Improvements in or relating to the cathodes of vacuum tubes |