| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 7 | |
| #2 | Switzerland | 1 | |
| #3 | Germany | 1 | |
| #4 | Norway | 1 | |
| #5 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Hinges for doors or windows | |
| #2 | Indexing scheme relating to hinges |
| # | Name | Total Patents |
|---|---|---|
| #1 | Christensen S | 3 |
| #2 | Jensen J | 2 |
| #3 | Svend Erik Christensen | 1 |
| #4 | Christensen Svend Erik | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2313182A1 | HINGE |