Aerosol metering valve
US7168597B1 · kind B1 · utility
154Cited by
17References
67Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2000 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Feb 23, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/0266
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A metering valve that includes a valve body defining a metering chamber having an inlet valve adapted to be reversibly actuable from an open position to a closed position located at the inlet, and an outlet valve adapted to be reversibly actuable from a dispensing to a non-dispensing position located at the outlet, where the outlet valve includes an outlet valve seat adapted to be in biasable contact with an outlet valve poppet is described. Aerosol containers and inhalation devices that include such metering valves are also described, as are methods of using such inhalation devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.