| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 4 | |
| #2 | Australia | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Hong Kong | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Hydraulic engineering | |
| #2 | Cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mellegard Per | 5 |
| #2 | Mellegaard Per | 5 |
| #3 | Mellegard P | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU3283099A | Separating grid | |
| WO9221824A1 | Separating grid |