| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Chemical engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heinrich Spodig | 13 |
| #2 | Aloys Schirp | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3277415A | Magnetic retriever | |
| US2968402A | Magnetic separator | |
| US3016145A | Magnetic separator | |
| US2943216A | Power tool and magnetic motion converter for use therewith | |
| US2804162A | Filter | |
| US2745549A | Magnetic separator | |
| US2910632A | Magnet system | |
| US2855786A | Magnetic device | |
| US2707557A | Magnetic separators | |
| US2678728A | Fluid filter system | |
| US2613246A | Magnetic system |