| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 10 | |
| #2 | Norway | 4 | |
| #3 | Germany | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Sweden | 2 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Lighting device details | |
| #2 | Distribution of electric power | |
| #3 | Installation of electric cables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hansen E | 7 |
| #2 | Vangsgaard P | 2 |
| #3 | Hansen Ernst Eberhardt | 1 |
| #4 | Vangsgaard P G | 1 |
| #5 | Poul Gert | 1 |
| #6 | Eberhardt Hansen Ernst | 1 |
| #7 | Eberhardt Hansen Hans | 1 |
| #8 | Boeggild P H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1219686A | Lighting fixtures | |
| GB1203219A | An electrical channel system |