| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 4 | |
| #2 | United Kingdom | 2 | |
| #3 | Netherlands | 2 | |
| #4 | Sweden | 2 | |
| #5 | Germany | 1 | |
| #6 | Finland | 1 | |
| #7 | France | 1 | |
| #8 | Hong Kong | 1 | |
| #9 | Malaysia | 1 | |
| #10 | Singapore | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads | |
| #2 | Doors and windows | |
| #3 | Roof coverings | |
| #4 | Building materials | |
| #5 | General building constructions | |
| #6 | Scaffolding |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoejbjerg Svend | 3 |
| #2 | Hojbjerg Svend | 2 |
| #3 | Hoejbjerg S | 1 |
| #4 | Lentz Guenther | 1 |
| #5 | Hojbjerg S | 1 |
| #6 | Jordy V | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4313690A | Asphalt laying machine | |
| DK142178B | Asphalt Paver. | |
| GB100595A | An Improved Fireproof Door. |