Roberta L. Callaghan
12Patents
9h-index
16Co-inventors
69Inventor score
Filing activity: Jun 21, 1993 → Feb 2, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD500599S1 | Toothbrush handle | General | 170 | Expired |
| USD486573S1 | Hand held oral irrigator | General | 141 | Expired |
| US7147468B2 | Hand held oral irrigator | Human Necessities | 141 | Expired |
| US5341534A | Electric toothbrush | Human Necessities | 134 | Expired |
| US8113832B2 | Hand held oral irrigator | Human Necessities | 127 | Active |
| US5503740A | Filter funnel having releasably mounted reservoir | Performing Operations; Transporting | 34 | Expired |
| USD370051S | Filter funnel | General | 26 | Expired |
| USD484311S1 | Disposable toothbrush | General | 24 | Expired |
| USD618766S1 | Showerhead arm | General | 9 | Expired |
| US10617500B2 | Oral irrigator | Human Necessities | 3 | Active |
| US9980794B2 | Irrigating device with variable pressure pulse | Human Necessities | 1 | Active |
| US8789218B2 | Molded arm for showerheads and method of making same | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.