Beverage dispenser
US7472805B2 · kind B2 · utility
8Cited by
9References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 2007 |
| Grant date | Jan 6, 2009 |
| Priority date | — |
| Expiry date | Feb 15, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F11/029
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A disposable pump cartridge for use in conjunction with a pump driver characterized in the disposable pump unit containing a pair of piston pumps and inlet and outlet valves positioned at one end of each piston. The piston pump has a pair of pistons arranged for reciprocal motion and which are retained by a retainer adjacent the inlet and outlet valves during transit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.