| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Austria | 3 | |
| #3 | Spain | 3 | |
| #4 | United Kingdom | 2 | |
| #5 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Magnetic or electrostatic solid separation | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kreuser Emil | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US639062A | Electromagnetic apparatus for separating ores. | |
| US638128A | Electromagnetic ore-separator. | |
| US638129A | Electromagnetic ore-separator. | |
| US634356A | Electromagnetic apparatus for separating ores. | |
| CA66231A | Ore separator | |
| GB189902849A | Improvements in Electro-magnetic Apparatus for Separating Ores. | |
| US664650A | Electromagnetic ore-separator. | |
| GB189816941A | Improvements in Ore Separators. |