| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 7 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Steam generation | |
| #2 | Marine propulsion |
| # | Name | Total Patents |
|---|---|---|
| #1 | Vogt Henrik Christian | 11 |
| #2 | Dorph Hans Gotthardt | 1 |
| #3 | Petersen Overmaskinmester Niel | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB191310906A | Improvements in Propeller Rudders. | |
| GB191001995A | Improvements in Steam Boilers. | |
| US859155A | Steam-boiler. | |
| GB190525150A | Improvements in Steam Boilers. |