| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 17 | |
| #2 | United Kingdom | 6 | |
| #3 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Magnetic or electrostatic solid separation | |
| #2 | Separation | |
| #3 | Liquid hydrocarbon mixture production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sommermeyer Heinrich | 18 |
| #2 | Heinrich Sommermeyer | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3439808A | Rotary magnetic separator | |
| GB1085109A | Improvments in or relating to filtering devices for liquids | |
| US3337053A | Magnetic filter | |
| GB1045042A | Improvements in or relating to through-flow filters | |
| GB979091A | Improvements in or relating to filters for liquid media | |
| GB991477A | Improvements in or relating to through flow filters | |
| GB869210A | Improvements in or relating to filter systems |