Beverage brewing device
US7581489B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2004 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Jan 1, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J31/401
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A beverage brewing device for brewing hot beverages such as coffee, tea, roasted-barley coffee, camomile tea and similar infusions. The brewing device includes a brewing chamber in which the substances needed to prepare the infusion are introduced through a mixing hopper, which is situated above the brewing chamber, and are mixed by compressed air being admitted thereinto. The device further includes a removable filter that closes the brewing chamber on the lower side thereof. The opening connecting the mixing hopper) with the brewing chamber is closed by an automatic valve, which is actuated by the compressed air supplied via a delivery conduit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.