| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 11 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Water treatment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Joergensen Joergen | 16 |
| #2 | Hasskerl William | 1 |
| #3 | Larsen Emil Lauritz Oluf Peter | 1 |
| #4 | Hasskerl W | 1 |
| #5 | Holst Soeren | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK565585D0 | Universal accessories | |
| US861989A | Water-purifying apparatus for feed-water in steam-boilers. |