Brewer filter support
US6481340B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 12, 2001 |
| Grant date | Nov 19, 2002 |
| Priority date | — |
| Expiry date | Apr 12, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D29/23
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A beverage brewing filter structure used to retain a brewing filter and a quantity of beverage brewing substance. The brewing filter structure is designed to create a consistent bed depth and a plurality of wicking points in order to give a more even extraction of the beverage brewing substance and a better taste profile over other standard filter structures. The brewing filter structure is generally an integral filter and includes a base and a wall, which extends from the base to a top rim and defines a generally annular mouth and lip of the funnel. In the brewing filter structure, the wall operates as a sidewall of the brewing funnel and is generally continuous, without open spaces. The base of the brewing filter structure is formed from a plurality of flanges, which generally extend radially inwardly toward a center portion of the base, the tips of which terminate and create wicking points proximate to a drain aperture. The top portions of the flanges and wicking points are generally oriented in a common plane but may also define a surface which is at least partially upwardly conical. The bottoms of the flanges generally rest upon the bottom surface of the brewing funnel, which …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.