Michael D. Bradfield
89Patents
13h-index
22Co-inventors
84Inventor score
Filing activity: Apr 19, 1991 → Oct 24, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7352091B2 | Electronic package for electrical machine | Electricity | 40 | Expired |
| US7417344B2 | Electronic package for electrical machine | Electricity | 38 | Active |
| US5625244A | Fan and slip ring assembly | Electricity | 37 | Expired |
| US6278213A | High fill stator design | Electricity | 30 | Expired |
| US5453648A | Bridge rectifier having an output terminal stud | Electricity | 26 | Expired |
| US5296772A | Ventilated brush holder | Electricity | 20 | Expired |
| US5163883A | Pulley with integral fastener and spacer | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5195241A | Method of manufacturing a pulley with integral fastener and spacer | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7982565B2 | Integrated solenoid and ignition magnetic switch | Electricity | 17 | Active |
| US5315195A | Self-attaching cover for a dynamoelectric machine | Electricity | 16 | Expired |
| US5254896A | Alternating current generator rotor | Electricity | 14 | Expired |
| US8138649B2 | Magnet support and retention system for hybrid rotors | Electricity | 14 | Active |
| US8629585B2 | Internal cooling of stator assembly in an electric machine | Electricity | 14 | Active |
| US8519581B2 | Electric machine cooling system and method | Electricity | 13 | Active |
| US6707691B2 | Compact rectifier bridge and method for manufacturing the same | Electricity | 13 | Expired |
| US6707225B2 | Radiused stator core end faces | Electricity | 12 | Expired |
| US9444306B2 | Variable flux electric starter motor and method of operating the same | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US8378550B2 | Electric machine including a stator having a stator sleeve and method of cooling a stator | Electricity | 11 | Active |
| US6580187B2 | Rectifier assembly for an air-cooled generator | Electricity | 11 | Expired |
| US8508085B2 | Internal cooling of stator assembly in an electric machine | Electricity | 11 | Active |
| US6995486B2 | Electronic package for electrical machine | Electricity | 11 | Expired |
| US6351046B1 | Compact dynamoelectric machine | Electricity | 10 | Expired |
| US7687954B2 | Brushless electric machine with stator with cascaded end loops | Electricity | 10 | Active |
| US8492952B2 | Coolant channels for electric machine stator | Electricity | 10 | Active |
| US5096035A | Speed and torque limiting indirect drive mechanism | Mechanical Engineering; Lighting; Heating | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.