| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 9 | |
| #2 | United Kingdom | 5 | |
| #3 | Germany | 3 | |
| #4 | Finland | 2 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Marine propulsion | |
| #2 | Vehicle suspension arrangements | |
| #3 | Ships | |
| #4 | Vehicle air-treating devices | |
| #5 | Vehicle parts | |
| #6 | Railway bodies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoestmaelingen Harald | 1 |
| #2 | Harald Haestmaelingen | 1 |
| #3 | Harald Hoestmaelingen | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB848657A | Improvements in ships' non-unitary screw propellers | |
| DE1120311B | Assembled ship propeller | |
| DE951339C | Propeller with interchangeable blades | |
| GB658880A | Improvements in spring mountings for the front or steered wheels of vehicles | |
| GB466595A | Improvements in and connected with the mounting of wheels for road and rail vehicles | |
| GB403327A | Improvements in ventilating road and rail vehicles |