John Phelps
5Patents
3h-index
9Co-inventors
39Inventor score
Filing activity: Dec 18, 2003 → Oct 12, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7053772B2 | Human activity coordination system | Physics | 5 | Expired |
| US7639147B2 | System and method of acoustic detection and location of audible alarm devices | Physics | 4 | Active |
| US7797116B2 | System and method of acoustic detection and location of fire sprinkler water discharge | Human Necessities | 4 | Active |
| US7702112B2 | Intelligibility measurement of audio announcement systems | Electricity | 3 | Active |
| US7433821B2 | Methods and systems for intelligibility measurement of audio announcement systems | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.