| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Germany | 1 | |
| #4 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Environmental technology | |
| #3 | Mechanical elements | |
| #4 | Transport | |
| #5 | Surface technology and coating | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Sewers | |
| #2 | Domestic plumbing installations | |
| #3 | Ships | |
| #4 | Climate change adaptation technologies | |
| #5 | Unspecified technologies | |
| #6 | Layered products | |
| #7 | Pipes | |
| #8 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lohmann Hans | 5 |
| #2 | Johansen Per Thanning | 4 |
| #3 | Pfennig Vladimir | 1 |
| #4 | Johannsen Per Thanning | 1 |
| #5 | Müller Alexander | 1 |
| #6 | Thanning Johansen Per | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE102014003584A1 | Combination of a trough and a lid | |
| DK177813B1 | Drain drain with bottom drain | |
| DK201370140A | Safe basket for drainage gutters | |
| EP2635831A2 | Ductwork | |
| DK200701616A | Water trap with ejector |