| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Spain | 3 | |
| #3 | Austria | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | Canada | 1 | |
| #6 | Denmark | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Special electric heating or lighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dutertre Georges Edmond | 7 |
| #2 | Nodet Marie Francois Andre | 3 |
| #3 | Georges Edmond Dutertre | 2 |
| #4 | Dutertre Georges-Edmond | 1 |
| #5 | Nodet Francois Andre | 1 |
| #6 | Nodet Maria Francois Andre | 1 |
| #7 | Jacquel Charles | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191223748A | Glow Lamp Radiator for Cooking or other Heating Purposes. | |
| CA97147A | Electric lamp for heating | |
| US764994A | Electric roasting-oven. | |
| GB190314309A | An Electric Roasting Oven. |