William Christopher Carmichael
5Patents
2h-index
12Co-inventors
48Inventor score
Filing activity: Jul 18, 1980 → Jan 28, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4345647A | Apparatus to increase oil well flow | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US9942646B2 | Robust audio device design | Electricity | 2 | Active |
| US9984802B2 | Electronic device having a magnetic on-off switch | Electricity | 1 | Active |
| US10236699B2 | Device charging system | Electricity | 0 | Active |
| US10608452B2 | Device charging system | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.