| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 3 | |
| #2 | Australia | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Czechia | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Finland | 1 | |
| #7 | Norway | 1 | |
| #8 | Slovakia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Domestic plumbing installations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lindhardt Ole | 12 |
| #2 | Oerberg Lennart | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK43793D0 | Pipe coupling and method of using one | |
| DK674289D0 | Combination coupling for water installation systems | |
| DK324285D0 | Spring and flexible heat distribution plate |