| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 32 | |
| #2 | Switzerland | 3 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Packaging and shipping | |
| #3 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Electric motor controls | |
| #3 | Static stores |
| # | Name | Total Patents |
|---|---|---|
| #1 | Soerensen Harald Mann | 5 |
| #2 | Krabbe Ulrik Hindenburg | 4 |
| #3 | Krabbe Ulrik Hindenburg Dr | 3 |
| #4 | Wolf Hans Dr Ing | 3 |
| #5 | Tuxen-Meyer Helge Vilhelm | 2 |
| #6 | Krabbe Ulrik Dr | 2 |
| #7 | Andersen Johan Birch | 2 |
| #8 | Lauesen Poul Langkilde | 1 |
| #9 | Uldall-Hansen Johannes Svend | 1 |
| #10 | Olesen Poul | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE944673C | Arrangement for speed control of DC motors in Ward-Leonard circuit |