Michael Walker
34Patents
10h-index
21Co-inventors
75Inventor score
Filing activity: May 16, 1988 → Jan 5, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8453773B2 | Vehicle battery systems and methods | Emerging Cross-Sectional Technologies | 52 | Active |
| US5901230A | Hands-free communication method for a multichannel transmission system | Electricity | 49 | Expired |
| US9496730B2 | Systems and methods for battery management | Emerging Cross-Sectional Technologies | 40 | Active |
| US8324858B2 | Charging stations for electric vehicles | Emerging Cross-Sectional Technologies | 39 | Active |
| US4891837A | Voice control circuit for a communication terminal | Electricity | 38 | Expired |
| US5570423A | Method of providing adaptive echo cancellation | Electricity | 32 | Expired |
| US9365128B2 | Systems and methods for automatic connection and charging of an electric vehicle at a charging station | Emerging Cross-Sectional Technologies | 23 | Active |
| US8829853B2 | Methods and systems for charging vehicles | Emerging Cross-Sectional Technologies | 21 | Active |
| US5068903A | Method of and arrangement for linearizing the frequency response of a loudspeaker system | Electricity | 21 | Expired |
| US5467394A | Method of improving sidetone attenuation in electroacoustic systems | Electricity | 11 | Expired |
| US5359653A | Circuit arrangement for controlling the volume range of a voice terminal | Electricity | 7 | Expired |
| US9764653B2 | Systems and methods for charging an electric vehicle at a charging station | Emerging Cross-Sectional Technologies | 7 | Active |
| US10384553B2 | Systems and methods for charging an electric vehicle at a charging station | Emerging Cross-Sectional Technologies | 5 | Active |
| US10723231B2 | Systems and methods for charging an electric vehicle at a charging station | Emerging Cross-Sectional Technologies | 5 | Active |
| US9975444B2 | Systems and methods for charging an electric vehicle at a charging station | Emerging Cross-Sectional Technologies | 5 | Active |
| US9252417B2 | Low-floor electric bus | Emerging Cross-Sectional Technologies | 4 | Active |
| US9425495B2 | Active antenna ceiling tile | Emerging Cross-Sectional Technologies | 4 | Active |
| US9718367B2 | Side-facing vehicle charging system | Emerging Cross-Sectional Technologies | 4 | Active |
| US9321366B1 | Electric vehicle charging by adjusting charger current | Emerging Cross-Sectional Technologies | 3 | Active |
| US9908435B2 | Electric vehicle overhead charging system | Emerging Cross-Sectional Technologies | 3 | Active |
| US9446672B2 | Charging systems for electric vehicles | Emerging Cross-Sectional Technologies | 2 | Active |
| US9680139B2 | Low-floor electric vehicle | Emerging Cross-Sectional Technologies | 2 | Active |
| US10998587B2 | Battery system cooling | Emerging Cross-Sectional Technologies | 2 | Active |
| US7044011B2 | Test fixture assembly for directional pilot valve and related method | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11285795B2 | Electric bus | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.