| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 16 | |
| #2 | Austria | 2 | |
| #3 | Spain | 2 | |
| #4 | Belgium | 1 | |
| #5 | United Kingdom | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Unspecified technologies | |
| #3 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jensen Carl Christian | 21 |
| Publication | Filing date | Title |
|---|---|---|
| ES305684A1 | Hydraulic steering plant for ships | |
| ES249180A3 | A government installation for ships (Machine-translation by Google Translate, not legally binding) | |
| GB190016622A | Improvements in Rotary Engines. | |
| US668878A | Rotary engine. |