Patrick McMullen
54Patents
9h-index
17Co-inventors
75Inventor score
Filing activity: Aug 16, 1993 → Dec 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5514924A | Magnetic bearing providing radial and axial load support for a shaft | Mechanical Engineering; Lighting; Heating | 86 | Expired |
| US6897587B1 | Energy storage flywheel with minimum power magnetic bearings and motor/generator | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6727617B2 | Method and apparatus for providing three axis magnetic bearing having permanent magnets mounted on radial pole stack | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US5315197A | Electromagnetic thrust bearing using passive and active magnets, for coupling a rotatable member to a stationary member | Mechanical Engineering; Lighting; Heating | 60 | Expired |
| US6700258B2 | Magnetic thrust bearing with permanent bias flux | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US7042118B2 | Permanent magnet rotor construction wherein relative movement between components is prevented | Electricity | 36 | Expired |
| US6071092A | Vacuum pump with improved back-up bearing assembly | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US10428822B1 | Between-bearing magnetic coupling | Electricity | 9 | Active |
| US10227860B1 | Axial generator measurement tool | Electricity | 9 | Active |
| US10253606B1 | Artificial lift | Fixed Constructions | 8 | Active |
| US10370947B1 | Artificial lift | Fixed Constructions | 7 | Active |
| US10697276B2 | Downhole power generation | Electricity | 6 | Active |
| US10337557B1 | Rotodynamically isolated magnetic coupling | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US10145224B1 | High speed motor drive | Electricity | 6 | Active |
| US10584533B2 | Downhole blower system with pin bearing | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US10612351B2 | Isolating a downhole-type electric machine | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9203279B2 | Electric machine with inner magnet hub | Emerging Cross-Sectional Technologies | 4 | Active |
| US10605057B2 | Downhole-type electric submersible pump system | Electricity | 4 | Active |
| US8723358B2 | Line interactive power quality system | Emerging Cross-Sectional Technologies | 4 | Active |
| US10781668B2 | Downhole power generation | Fixed Constructions | 4 | Active |
| US10900285B2 | Lubricating downhole-type rotating machines | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10630139B2 | Thrust load support for downhole-type system | Electricity | 2 | Active |
| US10174762B1 | Sealless downhole system with magnetically supported rotor | Electricity | 2 | Active |
| US11859474B2 | Lubricating downhole rotating machine | Electricity | 2 | Active |
| US10167871B1 | Sealless downhole system with magnetically supported rotor | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.