Alexander Gray
17Patents
10h-index
9Co-inventors
65Inventor score
Filing activity: Jul 15, 1998 → Sep 13, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8279642B2 | Apparatus for converting direct current to alternating current using an active filter to reduce double-frequency ripple power of bus waveform | Electricity | 51 | Active |
| US8450985B2 | Energy recovery circuit | Emerging Cross-Sectional Technologies | 46 | Active |
| US9048740B2 | Variable duty cycle switching with imposed delay | Emerging Cross-Sectional Technologies | 29 | Active |
| US8482947B2 | Apparatus and method for controlling DC-AC power conversion | Electricity | 27 | Active |
| US9093919B2 | Apparatus for converting direct current to alternating current using a frequency converter | Electricity | 25 | Active |
| US8279649B2 | Apparatus and method for controlling a power inverter | Emerging Cross-Sectional Technologies | 25 | Active |
| US8508964B2 | Variable duty cycle switching with imposed delay | Emerging Cross-Sectional Technologies | 24 | Active |
| US8842454B2 | Inverter array with localized inverter control | Emerging Cross-Sectional Technologies | 24 | Active |
| US8817510B2 | Apparatus and method for controlling a power inverter | Emerging Cross-Sectional Technologies | 22 | Active |
| US9225256B2 | Apparatus and method for controlling DC-AC power conversion | Electricity | 19 | Active |
| US9806628B2 | Apparatus and method for controlling DC-AC power conversion | Electricity | 9 | Active |
| US10143763B2 | Neutral atmosphere and sanitization storage apparatus, method and system | Electricity | 8 | Active |
| US9792748B2 | Neutral atmosphere and sanitization storage apparatus, method and system | Electricity | 7 | Active |
| US6079567A | Separator for separating particles from a slurry | Performing Operations; Transporting | 2 | Expired |
| US9496794B2 | Regulation of powertrain converter circuit | Emerging Cross-Sectional Technologies | 2 | Active |
| US9722504B2 | Apparatus for converting direct current to alternating current using multiple converters | Electricity | 2 | Active |
| US9986753B2 | Quad apparatus, method and system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.