| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 3 | |
| #2 | Australia | 2 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | China | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | United Kingdom | 2 | |
| #8 | New Zealand | 2 | |
| #9 | United States | 2 | |
| #10 | WIPO (World Intellectual Property Organization) | 2 | |
| #11 | EAPO (Eurasian Patent Organization) | 1 | |
| #12 | Hungary | 1 | |
| #13 | Israel | 1 | |
| #14 | Mexico | 1 | |
| #15 | Poland | 1 | |
| #16 | Serbia | 1 | |
| #17 | Russian Federation | 1 | |
| #18 | Ukraine | 1 | |
| #19 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Basic materials chemistry | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Slangsvold Svein | 12 |
| #2 | Fjelldal Erling | 12 |
| #3 | Jacobsen Pal | 11 |
| #4 | Vartdal Oyvind | 7 |
| #5 | Aanerod Kjell | 5 |
| #6 | Kjell Aanerod | 4 |
| #7 | Vartdal Oeyvind | 4 |
| #8 | Aaneroed Kjell | 2 |
| #9 | Aanerød Kjell | 2 |
| #10 | Slangsold S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1954649A1 | Method for manufacture of sanitised organic sludge | |
| GB9508400D0 | Fertilizer and process for production thereof |