Drip-type coffee-maker comprising a water treatment device
US6553894B1 · kind B1 · utility
10Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2001 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Jul 30, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F5/00
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A drip-type coffee-maker includes a water reservoir (1) supplying a water-heater with continuous circulation (6), and a device (9) for treating the water in the reservoir with a water-soluble scale preventive agent. The water treating device (9) includes an element (10) for measuring out an amount of scale preventive agent (23) which is determined on the basis of the volume of water supplied to the water-heater (6) and which is injected into the water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.