Robert D. Joy
6Patents
4h-index
6Co-inventors
50Inventor score
Filing activity: Jan 11, 1980 → Sep 12, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4898464A | Method and apparatus for determining the position of an object | Physics | 23 | Expired |
| US4496886A | Three state driver for inductive loads | Electricity | 21 | Expired |
| US4240299A | Method and apparatus for determining fluid density and mass flow | Physics | 14 | Expired |
| US4437349A | Vortex flow meter frequency adjustment | Physics | 14 | Expired |
| US7343778B1 | Measurement of automobile exhaust flow | Physics | 1 | Active |
| US7716973B1 | Measurement of automobile exhaust flow | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.