John T. Graef
9Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: Mar 30, 1987 → Aug 5, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4835343A | Two piece face plate for wall box mounted device | Electricity | 243 | Expired |
| USD311678S | Selectable level lighting control faceplate | General | 121 | Expired |
| US8417442B2 | Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations | Physics | 15 | Active |
| US7737912B2 | Portable electronic display device with automatic lockout of message selection switches to prevent tampering with selected message | Emerging Cross-Sectional Technologies | 11 | Active |
| US4835816A | Twist-off knob | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8755990B2 | Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations | Physics | 5 | Active |
| US9411893B2 | Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations to create traffic priority enforcement reports | Physics | 3 | Active |
| US9070287B2 | Collection, monitoring, analyzing and reporting of traffic data via vehicle sensor devices placed at multiple remote locations | Physics | 2 | Active |
| US9721027B2 | Collection, monitoring, analyzing and reporting decay rate of traffic speed data via vehicle sensor devices placed at multiple remote locations | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.