John D. Powell
4Patents
4h-index
8Co-inventors
47Inventor score
Filing activity: Feb 12, 1976 → Nov 5, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5572218A | System and method for generating precise position determinations | Physics | 80 | Expired |
| US5183437A | Method and apparatus for initiating a water ride | Human Necessities | 40 | Expired |
| US4063538A | Ignition timing control method and apparatus | Emerging Cross-Sectional Technologies | 38 | Expired |
| USRE37256E | System and method for generating precise position determinations | General | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.