| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 16 | |
| #2 | Switzerland | 1 | |
| #3 | Germany | 1 | |
| #4 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Agriculture | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Harvesting | |
| #2 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Nielsen Jens Kristian | 18 |
| #2 | Pedersen Peder Nielsen | 1 |
| #3 | Jens Kristian Nielsen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK382683D0 | Umbrella light | |
| DK67083D0 | Umbrella light | |
| GB118737A | Improvements connected with Air-pumps, especially for Cycles, Automobiles and the like. |