| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Brazil | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Norway | 3 | |
| #5 | United States | 3 | |
| #6 | Germany | 2 | |
| #7 | Denmark | 2 | |
| #8 | Spain | 2 | |
| #9 | France | 2 | |
| #10 | India | 2 | |
| #11 | Sweden | 2 | |
| #12 | WIPO (World Intellectual Property Organization) | 2 | |
| #13 | Austria | 1 | |
| #14 | Belgium | 1 | |
| #15 | Switzerland | 1 | |
| #16 | EPO (European Patent Office) | 1 | |
| #17 | Greece | 1 | |
| #18 | Italy | 1 | |
| #19 | Netherlands | 1 | |
| #20 | Philippines | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Water treatment | |
| #2 | Magnetic or electrostatic solid separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sundt Eilert | 6 |
| #2 | Sundt E | 6 |
| #3 | Fjeldsend Olaf Jr | 5 |
| #4 | Fjeldsend Jr Olaf | 3 |
| #5 | Hansen Asger | 3 |
| #6 | Fjeldsend Olaf Jun | 2 |
| #7 | Bagstevold Petter Th | 2 |
| #8 | Fjeldsend O | 1 |
| #9 | Fjeldsend Olafjr | 1 |
| #10 | Fjeldsend Olaf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DK136793D0 | Methods of physical water treatment and Apparatus Therefor | |
| DK456586D0 | Appliances for magnetic effects of flowing liquid | |
| DE3049991A1 | Apparatus for magnetic treatment of a flowing liquid | |
| GB1423927A | Apparatus for magnetic treatment of a flowing liquid |