David Smith
4Patents
2h-index
6Co-inventors
41Inventor score
Filing activity: Jun 9, 1975 → Nov 16, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4266540A | Nasal oxygen therapy mask | Human Necessities | 276 | Expired |
| US4009280A | Powder composition for inhalation therapy | Human Necessities | 33 | Expired |
| US10675247B2 | Press coated tablet prepared for delayed release of an active ingredient | Human Necessities | 1 | Active |
| US11452696B2 | Pharmaceutical processing | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.