William E. Holley
17Patents
11h-index
25Co-inventors
72Inventor score
Filing activity: Sep 19, 1991 → Apr 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7042110B2 | Variable speed distributed drive train wind turbine system | Emerging Cross-Sectional Technologies | 147 | Expired |
| US6137187A | Variable speed wind turbine generator | Emerging Cross-Sectional Technologies | 140 | Expired |
| US5289041A | Speed control system for a variable speed wind turbine | Emerging Cross-Sectional Technologies | 126 | Expired |
| US5155375A | Speed control system for a variable speed wind turbine | Emerging Cross-Sectional Technologies | 104 | Expired |
| US6420795B1 | Variable speed wind turbine generator | Electricity | 102 | Expired |
| US6856039B2 | Variable speed wind turbine generator | Emerging Cross-Sectional Technologies | 82 | Expired |
| US7095131B2 | Variable speed wind turbine generator | Emerging Cross-Sectional Technologies | 76 | Expired |
| US6847128B2 | Variable speed wind turbine generator | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6600240B2 | Variable speed wind turbine generator | Emerging Cross-Sectional Technologies | 61 | Expired |
| US7352075B2 | Methods and apparatus for controlling rotational speed of a rotor | Emerging Cross-Sectional Technologies | 42 | Active |
| US7581921B2 | Methods and apparatus for controlling rotary machines | Emerging Cross-Sectional Technologies | 17 | Active |
| US8803352B1 | Wind turbines and methods for controlling wind turbine loading | Emerging Cross-Sectional Technologies | 11 | Active |
| US10107261B2 | System and method for reducing oscillation loads of wind turbine | Emerging Cross-Sectional Technologies | 5 | Active |
| US9341159B2 | Methods for controlling wind turbine loading | Emerging Cross-Sectional Technologies | 5 | Active |
| US11511408B1 | Impact hand tool | Performing Operations; Transporting | 0 | Active |
| US11358694B1 | Oar apparatus having a pivoting oar blade | Performing Operations; Transporting | 0 | Active |
| US11472526B1 | Oar apparatus having a pivoting oar blade | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.