David J. Greenleaf
18Patents
16h-index
13Co-inventors
71Inventor score
Filing activity: Jan 30, 1991 → Nov 30, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5225183A | Medicinal aerosol formulations | Human Necessities | 219 | Expired |
| US5439670A | Medicinal aerosol formulations | Human Necessities | 138 | Expired |
| US5437271A | Deagglomerators for dry powder inhalers | Human Necessities | 123 | Expired |
| US5605674A | Medicinal aerosol formulations | Human Necessities | 108 | Expired |
| US5776434A | Medicinal aerosol formulations | Human Necessities | 104 | Expired |
| US5695743A | Medicinal aerosol formulations | Human Necessities | 101 | Expired |
| US5683677A | Medicinal aerosol formulations | Human Necessities | 101 | Expired |
| US5515841A | Inhaler | Human Necessities | 94 | Expired |
| US7234460B2 | Metering valve for a metered dose inhaler providing consistent delivery | Human Necessities | 85 | Expired |
| US5348730A | Method for preparing medicinal aerosol formulation containing coated medicament | Human Necessities | 75 | Expired |
| US5681545A | Medicinal aerosol formulations | Human Necessities | 74 | Expired |
| US5674473A | Medicinal aerosol formulations | Human Necessities | 72 | Expired |
| US5766573A | Medicinal aerosol formulations | Human Necessities | 65 | Expired |
| US5720940A | Medicinal aerosol formulations | Human Necessities | 59 | Expired |
| US5427282A | Aerosol valve with a surfactant impregnated valve seal | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6352684B1 | CRC-free medicinal aerosol formulations of 1,1,1,2-tetrafluoroethane (134A) with polar adjuvant | Human Necessities | 18 | Expired |
| US8740014B2 | Dose counter for dispensers | Human Necessities | 11 | Active |
| US6863195B2 | Valve stem for use in a metering valve of a metered dose inhaler | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.