David E. Barnard
25Patents
7h-index
30Co-inventors
69Inventor score
Filing activity: Oct 27, 2000 → Jun 23, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD512534S1 | Protective helmet | General | 108 | Expired |
| USD547597S1 | Baking pan | General | 24 | Expired |
| USD547596S1 | Baking pan | General | 22 | Expired |
| USD558512S1 | Muffin pan | General | 16 | Expired |
| USD503442S1 | Throat portion of a sports racquet | General | 15 | Expired |
| USD502517S1 | Head portion of a sports racquet | General | 14 | Expired |
| USD508382S1 | Eating utensil | General | 7 | Expired |
| USD507941S1 | Eating utensil | General | 6 | Expired |
| USD474014S1 | School supply box | General | 6 | Expired |
| USD509113S1 | Eating utensil | General | 6 | Expired |
| USD446707S | Sharpener | General | 5 | Expired |
| US6553676B1 | Protractor | Performing Operations; Transporting | 5 | Expired |
| USD506349S1 | Chafer | General | 5 | Expired |
| USD509998S1 | Eating utensil | General | 4 | Expired |
| USD465684S1 | Locker organizer | General | 3 | Expired |
| USD545617S1 | Food pan cover | General | 2 | Expired |
| USD509709S1 | Eating utensil | General | 2 | Expired |
| USD510505S1 | Eating utensil | General | 2 | Expired |
| USD447068S | Ruler | General | 2 | Expired |
| USD955300S1 | Bicycle parking rack | General | 1 | Active |
| USD508380S1 | Eating utensil | General | 1 | Expired |
| USD508635S1 | Eating utensil | General | 1 | Expired |
| USD925434S1 | Bicycle parking rack | General | 1 | Active |
| US10753069B1 | Digger shift priming | Fixed Constructions | 0 | Active |
| USD501077S1 | School supply box | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.