| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 2 | |
| #2 | Australia | 1 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | Finland | 1 | |
| #6 | Greece | 1 | |
| #7 | Portugal | 1 | |
| #8 | Turkey | 1 | |
| #9 | United States | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 | |
| #11 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Climate change mitigation in wastewater treatment | |
| #2 | Water treatment | |
| #3 | Animal care |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lygren Eivind | 9 |
| #2 | Eivind Lygren | 1 |
| #3 | Lygren E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GR890100809A | Method and device for the water filtering |