| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 5 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Finland | 2 | |
| #4 | Norway | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Sweden | 1 | |
| #7 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Christensen Joern | 6 |
| #2 | Christensen J | 4 |
| #3 | Christensen Jorn | 3 |
| #4 | Kjaerukf K | 1 |
| #5 | Hansen B W | 1 |
| #6 | Nielsen P B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FI814010L | Taetningsring av elastiskt material | |
| DK230180A | Sealing ring of elastic material | |
| DK208280A | sealing ring | |
| DK202380A | sealing ring | |
| DK321078A | sealing tape |