| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 8 | |
| #2 | Spain | 1 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Roof coverings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andersen Anders Peter | 10 |
| #2 | Christensen Carl | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES127650A1 | Devices that allow the centrifugal force to be used in part, operating in a body in rotation. | |
| US1055438A | Snow-guard. | |
| GB189907400A | Improvements in or connected with Lamps for Generating and Burning Acetylene Gas. |