The coffee maker is a small kitchen appliance which we use to make drip brew-style coffee without having to boil water. Typically with this style of coffee maker, coffee grounds are placed in a paper or metal filter inside a funnel, which is set over a glass or ceramic coffee pot. Cold water is poured into a separate chamber, which is then heated up to the boiling point, and directed into the funnel. This is also called automatic drip-brew.
The "pumping percolator" was a type of coffee maker developed in France in the early 19th century. The idea was that the boiling water in a chamber forced itself up a tube and then down into coffee grounds, set over a pot. Also around this time, the French-drip pot was invented, in which hot water is poured over a filter containing ground coffee into a carafe.
A number of different machines used to automate these methods were around until the mid-20th century. In 1972, the first automatic drip-brew coffee maker, Mr. Coffee, was introduced. This coffee maker combined aspects of both the drip-brew process and the percolating process with the added feature of heating up the water using an electric element in a separate chamber. Since that time, the number, style, and size of these appliances has changed dramatically.
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