Keith Robert Pullen
21Patents
11h-index
19Co-inventors
72Inventor score
Filing activity: Sep 12, 1990 → May 5, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8840359B2 | Thermally insulating turbine coupling | Mechanical Engineering; Lighting; Heating | 87 | Active |
| US5021698A | Axial field electrical generator | Electricity | 62 | Expired |
| US6304011A | Rotary electrical machines | Electricity | 39 | Expired |
| US5962942A | Rotary electrical machines | Electricity | 35 | Expired |
| US6404097B1 | Rotary electrical machines | Electricity | 23 | Expired |
| US7781903B2 | Wave energy converter with air compression (WECWAC) | Emerging Cross-Sectional Technologies | 22 | Active |
| US6195869A | Method of applying a retention ring to a disc rotor assembly | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6424069B1 | Rotary electrical machines | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6798097B2 | Stator cooling | Electricity | 12 | Expired |
| US7132758B2 | Extracting power from a fluid flow | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6104111A | Rotary electrical machines | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6774519B2 | Rotary electrical machines | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8776869B2 | Heat exchanger with flexible tubular header connections | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US7150149B2 | Extracting power from a fluid flow | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6912773B2 | Method of forming a winding disc for an axial field electrical machine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US11293517B2 | Flywheel assembly | Emerging Cross-Sectional Technologies | 3 | Active |
| USRE37844E1 | Rotary electrical machines | General | 1 | Expired |
| US10808614B2 | Radial flow turbine heat engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11674560B2 | Flywheel assembly | Emerging Cross-Sectional Technologies | 0 | Active |
| US9810485B2 | Heat exchanger II | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12163567B2 | Flywheel assembly | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.