Benjamin C. Dunlap
8Patents
2h-index
2Co-inventors
37Inventor score
Filing activity: Dec 29, 2003 → Sep 30, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD649989S1 | Dual helical cutter for pencil sharpener | General | 14 | Expired |
| US10436471B2 | Ventilation fan and drying system and method of using the same | Mechanical Engineering; Lighting; Heating | 4 | Active |
| USD500797S1 | Pencil sharpener | General | 2 | Expired |
| USD669132S1 | Electric pencil sharpener | General | 2 | Active |
| USD670338S1 | Electric pencil sharpener | General | 1 | Active |
| USD669131S1 | Electric pencil sharpener | General | 1 | Active |
| USD670337S1 | Electric pencil sharpener | General | 1 | Active |
| US11209185B2 | Ventilation and drying system and method of using the same | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.