John D. Pennell
3Patents
3h-index
6Co-inventors
47Inventor score
Filing activity: Aug 28, 1985 → Jun 16, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4651130A | Apparatus and method for retaining phase information for use with a multiple-coil inductive displacement sensor | Physics | 24 | Expired |
| US6442210B1 | Apparatus for AC-to-DC conversion which provides a signed DC signal | Electricity | 6 | Expired |
| US8542490B2 | Vertically mounted multi-hybrid module and heat sink | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.