Uni-directional flow microfluidic components
US6644944B2 · kind B2 · utility
34Cited by
12References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 5, 2001 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Nov 5, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K15/144
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Microfluidic fluid control devices are provided. One microfluidic fluid control device can be used as a uni-directional valve within a microfluidic system. The invention also provides a microfluidic pump mechanism having two unidirectional valves separated by an expandable reservoir. Such devices may be formed in multiple layers and utilize flexible membranes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.