William T. Barrett
10Patents
8h-index
—Co-inventors
59Inventor score
Filing activity: Feb 20, 1974 → Aug 31, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4867869A | Grate magnet | Performing Operations; Transporting | 20 | Expired |
| US3935947A | Magnetic refuse separator | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6104271A | Composite rare earth magnet and method for separating ferrous material from non-ferrous material | Electricity | 11 | Expired |
| US5170891A | Self-cleaning magnetic separator | Performing Operations; Transporting | 11 | Expired |
| US4264887A | Electro-lifting magnet | Electricity | 11 | Expired |
| US4738367A | Magnetic refuse separator | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4686034A | Magnetic refuse separator | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5655664A | Separtor with improved magnet structure | Performing Operations; Transporting | 8 | Expired |
| US4428475A | Heavy material conveyor belt wear protection | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4008799A | Conveyor belt wear protection | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.