Marcel Jufer
9Patents
6h-index
12Co-inventors
60Inventor score
Filing activity: Jun 23, 1980 → Dec 1, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6520269B2 | Hand-held tool with electromagnetic hammer mechanism | Performing Operations; Transporting | 84 | Expired |
| US5579188A | Ironless spindle motor for disc drive | Electricity | 50 | Expired |
| US5598071A | Method for starting and commutating a permanent-magnet direct current motor having a single phase winding | Electricity | 27 | Expired |
| US5850318A | Slotless spindle motor for disc drive | Electricity | 21 | Expired |
| US6080352A | Method of magnetizing a ring-shaped magnet | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4346463A | Movement detector for a stepping motor | Physics | 7 | Expired |
| US4323834A | Movement detector for a stepping motor | Physics | 3 | Expired |
| US11731288B2 | Electromagnetic gripper | Performing Operations; Transporting | 0 | Active |
| US11456655B2 | Linear motor with stacked electromagnets | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.