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. Before the end of the same year, Mellitta and Hugo Bentz put up the Melitta Bentz Company. The following year, they sold more than a thousand coffee filters in Germany. Since this is a way to extend the machine s service life, you have to make sure that its key components are washable so you ll be able to remove the coffee that sticks on them. So before purchasing a coffee maker, ensure first that cleaning its pot and reservoir with water and soap won t be a complicated task. Usually, these solutions are in a form of acid which are packed for convenient use. The most common acids found in your kitchen include lemon juice and vinegar. They can be applied in the similar way as efficiently but for a much smaller price tag which make commercial products a funds misuse. Typically, a vinegar and water mixture is able to work very well. It will boost your confidence in the kitchen and the possibility of serving yet another powdered instant coffee will be written off of your entertaining list. Another great advantage is that you can have an amazing cup at any time of the day without the need to go out and pick one up. There are four types of coffeemakers your can choose from, drip brewer, espresso machine, French press and percolator. Here s some of the popular types of coffee makers: 1. Coffee Percolator or Drip Coffeepot - This brewer makes coffee by drip method, a process where hot water passes through the coffee grounds once and then into a second container producing a thick, bitter-tasting coffee. The term percolation is often disassociated with the pumping percolator, another brewing device which allows water to rise through a tube inserted in the handle and spray down over the coffee grounds. Smaller models are also made available for small families. For hotels and dormitories, 4-cup coffee makers are ideal. If you re purchasing a drip coffee maker, you need to make a choice between glass and thermal carafe. You can also prefer models designed for dripping right into a travel mug. This is the most popular type of brewer that even non-coffee drinkers can get just so they have an available coffee maker for guest serving.