Patrick Lee Jansen
70Patents
24h-index
95Co-inventors
91Inventor score
Filing activity: Dec 22, 1993 → Apr 4, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5585709A | Method and apparatus for transducerless position and velocity estimation in drives for AC machines | Electricity | 137 | Expired |
| US5565752A | Method and apparatus for transducerless position and velocity estimation in drives for AC machines | Electricity | 124 | Expired |
| US6445105B1 | Axial flux machine and method of fabrication | Electricity | 95 | Expired |
| US7154191B2 | Electrical machine with double-sided rotor | Emerging Cross-Sectional Technologies | 83 | Expired |
| US6137258A | System for speed-sensorless control of an induction machine | Electricity | 76 | Expired |
| US6069467A | Sensorless rotor tracking of induction machines with asymmetrical rotor resistance | Electricity | 74 | Expired |
| US6855016B1 | Electric watercycle with variable electronic gearing and human power amplification | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5559419A | Method and apparatus for transducerless flux estimation in drives for induction machines | Electricity | 57 | Expired |
| US7180204B2 | Method and apparatus for wind turbine air gap control | Emerging Cross-Sectional Technologies | 55 | Expired |
| US7154193B2 | Electrical machine with double-sided stator | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5729113A | Sensorless rotor velocity estimation for induction motors | Electricity | 50 | Expired |
| US7427814B2 | Wind turbine generators having wind assisted cooling systems and cooling methods | Emerging Cross-Sectional Technologies | 46 | Active |
| US7548008B2 | Electrical machine with double-sided lamination stack | Emerging Cross-Sectional Technologies | 45 | Active |
| US7154192B2 | Electrical machine with double-sided lamination stack | Emerging Cross-Sectional Technologies | 42 | Expired |
| US7443066B2 | Methods and apparatus for cooling wind turbine generators | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6986688B1 | Low-cost means for estimating and controlling speed of electric watercraft and trolling motors | Performing Operations; Transporting | 32 | Expired |
| US6934666B2 | Method for optimizing strategy for electric machines | Physics | 30 | Expired |
| US7573168B2 | Method and apparatus for assembling a permanent magnet pole assembly | Electricity | 30 | Active |
| US7360310B2 | Method for changing removable bearing for a wind turbine generator | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6388420B1 | System and method for sensorless rotor tracking of induction machines | Electricity | 28 | Expired |
| US6504337B1 | Motor modeling using harmonic ampere-turn saturation method | Electricity | 28 | Expired |
| US7692357B2 | Electrical machines and assemblies including a yokeless stator with modular lamination stacks | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6058596A | Method of making an induction motor rotor | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7781932B2 | Permanent magnet assembly and method of manufacturing same | Emerging Cross-Sectional Technologies | 24 | Active |
| US7815536B2 | Compact geared drive train | Emerging Cross-Sectional Technologies | 23 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.