David Gregory Ahern
9Patents
5h-index
18Co-inventors
56Inventor score
Filing activity: Apr 1, 2003 → Aug 14, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD499802S1 | Powder inhaler | General | 87 | Expired |
| US7107988B2 | Powder inhaler | Human Necessities | 86 | Expired |
| US7950389B2 | Inhaler | Human Necessities | 18 | Active |
| US7854226B2 | Powder inhaler | Human Necessities | 5 | Active |
| US9119665B2 | Thoracic access port including foldable anchor | Human Necessities | 5 | Active |
| US8443798B2 | Inhaler | Human Necessities | 4 | Active |
| US8997737B2 | Inhaler | Human Necessities | 2 | Active |
| US11020549B2 | Dry powder inhaler with reproducible flow resistance | Human Necessities | 1 | Active |
| US9549722B2 | Thoracic access port including foldable anchor | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.