If you really want to extend the service life of your coffee maker, you need to provide it with thorough cleaning on a regular basis. Since it is natural and it doesn t have any toxic residues, vinegar is one of the best coffee maker cleaners you can use. This solution also has acidic properties that can help eliminate mineral accumulations, lime scale, and oil leftovers produced by brewing different beans. Washington created the first bulk-produced instant coffee in 1906. He was residing in Guatemala at the time he made the observation about dried coffee on his carafe. After experimenting, he then developed the Red E Coffee which is the name of the brand for his instant coffee. The coffee filter paper was patented on June 20, 1908. Because of gravity, the water flows through the valve, partially up through the white tube and into the aluminum tube found in the heating element. When you turn on the coffee maker, the water in the white tube boils. Since the tube is small, the water flows up and dispersed to drip evenly on the coffee grounds. It is easy to use. This coffee machine is very much easy to operate. In just a mere push of a button, you can get a perfect cup of coffee without the need to measure all the ingredients. 5. It is very portable. Because of its portability, you can have your favorite cup of coffee anywhere you go. While some single serve coffee makers are made to stay in your kitchen, most are really compact so you can take it to your room or office. If you have a hectic schedule, each mug can hold three cups of coffee and can easily fit most standard car coffee cup holder. 3. Black and Decker Programmable Coffee Maker - This beautifully styled 12-cup programmable coffee maker have all the bells and whistles perfect for the family. One unique feature of this coffee maker is the coffee freshness indicator which tells you if the coffee inside is freshly brewed or has been sitting on the burner a while. This is why manufacturers of under the cabinet coffee makers strive hard to satisfy these two criteria. These coffee machine manufacturers understand that most of us need a spacious home so we re always looking for smaller items that can still make us happy by satisfying our needs. So they make sure that the under cabinet coffee makers they produce can brew the coffee that you want without eating up space in your counter.