| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Norway | 6 | |
| #2 | United States | 2 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | Australia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering | |
| #4 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pipes | |
| #3 | Water treatment | |
| #4 | Cleaning | |
| #5 | Magnetic or electrostatic solid separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hagen Karluf | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US2011309009A1 | Cleaning magnet device for cleaning drilling fluid | |
| WO2009116869A2 | Cleaning tool | |
| AU9008698A | An apparatus and a method for mounting a coherent conduit in a groove in a pipe string |