Fred E. Hunstable
46Patents
9h-index
5Co-inventors
64Inventor score
Filing activity: Jul 18, 2011 → Nov 15, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10256680B2 | Multi-tunnel electric motor/generator | Electricity | 37 | Active |
| US9219962B2 | Transducer and method of operation | Electricity | 20 | Active |
| US9419483B2 | DC electric motor/generator with enhanced permanent magnet flux densities | Electricity | 18 | Active |
| US10263480B2 | Brushless electric motor/generator | Electricity | 17 | Active |
| US9729016B1 | Multi-tunnel electric motor/generator | Electricity | 17 | Active |
| US9825496B2 | DC electric motor/generator with enhanced permanent magnet flux densities | Electricity | 13 | Active |
| US8922070B2 | Magnetic motor | Electricity | 10 | Active |
| US10284029B2 | Brushed electric motor/generator | Electricity | 10 | Active |
| US9325232B1 | Method and apparatus for power generation | Electricity | 9 | Active |
| US10476362B2 | Multi-tunnel electric motor/generator segment | Electricity | 9 | Active |
| US9325219B2 | Magnetic motor and method of use | Electricity | 8 | Active |
| US10447103B2 | Multi-tunnel electric motor/generator | Electricity | 7 | Active |
| US10439452B2 | Multi-tunnel electric motor/generator | Electricity | 5 | Active |
| US9936300B2 | Transducer and method of operation | Electricity | 5 | Active |
| US11277062B2 | System and method for an electric motor/generator with a multi-layer stator/rotor assembly | Electricity | 4 | Active |
| US10352414B2 | Crankshaft assembly | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10291096B2 | Magnetic motor and method of use | Electricity | 2 | Active |
| US10575100B2 | Transducer and method of operation | Electricity | 2 | Active |
| US11309778B2 | Multi-tunnel electric motor/generator | Electricity | 2 | Active |
| US10808809B2 | Crankshaft assembly | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10587178B2 | Method and apparatus for power generation | Electricity | 2 | Active |
| US11268599B2 | Crankshaft assembly | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11218038B2 | Control system for an electric motor/generator | Electricity | 1 | Active |
| US11387692B2 | Brushed electric motor/generator | Electricity | 1 | Active |
| US11218046B2 | DC electric motor/generator with enhanced permanent magnet flux densities | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.