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US 5,957,034 AGranted
Coffee maker
AssigneeWing Shing Products (BVI) Co. Ltd.
InventorsJohn C. K. Sham, Kumkit KunavongVorakul
Life of this patent
Estimating the term…
Abstract
An improved household coffee maker is disclosed, having a built-in water filter for removing water-borne contaminants. The water filter is disposed between the water reservoir and the heating coil, which heats the water and keeps the coffee carafe warm. An indicator disposed upon the cover of the coffee maker signals when the water filter has become saturated with contaminants and requires replacement or cleaning.
Claims19
A coffee maker comprising:
- a housing carrying a reservoir for receiving water for brewing coffee;
- heating means supported by the housing for receiving water from said reservoir and heating said water in order to brew coffee;
- means disposed between said reservoir and said heating means for passing water from said reservoir to said heating means;
- a funnel disposed within said housing for containing coffee to be brewed;
- a conduit disposed between said heating means and said funnel for carrying the heated water from the heating means to said funnel;
- a water filter disposed between said reservoir and said heating means for removing water-borne contaminants from the water passing therethrough;
- and
- a cover disposed over said reservoir, said cover having means for introducing water into said reservoir and indicator means disposed on said cover for indicating the need for replacing or cleaning said water filter.
5 more elements
A coffee maker comprising:
- a housing carrying a reservoir for receiving water for brewing coffee;
- heating means supported by the housing for receiving water from said reservoir and heating said water in order to brew coffee;
- means disposed between said reservoir and said heating means for passing water from said reservoir to said heating means;
- a funnel disposed within said housing for containing coffee to be brewed;
- a conduit disposed between said heating means and said funnel for carrying the heated water from the heating means to said funnel;
- a water filter disposed between said reservoir and said heating means for removing water-borne contaminants from the water passing therethrough;
- and
- filter age indicator means carried by said housing for determining when to clean or replace said water filter.
5 more elements
Dependencies are inferred from the claim text.