Patent ID: 8601937

Claim:
A programmable apparatus for making a serving of crema coffee comprising: a hopper for holding approximately 13 to 25 grams of coffee beans; a grinding chamber larger than traditional espresso brewers, having a grinding element for receiving the coffee beans and having a plurality of burrs adjusted so that they grind with a slicing action, producing a ground coffee with a grind size greater than approximately 0.010 inches; a brewing chamber larger than a brewing chamber used for brewing espresso coffee and holds approximately 13 to 25 grams of coffee for receiving programmable quantities of ground coffee and combining the ground coffee with specific quantities of hot, pressurized water; a piston, of a larger diameter than traditional espresso brewers, for compressing the ground coffee at a force between approximately 35 and 45 pounds, the piston being arranged to enter the brewing chamber at an open end thereof wherein pressurized hot water is forced through the piston and through a first microfilter for more than 20 seconds, and the pressure of the hot water is between approximately 127 to 141 pounds per square inch;—and a programming element for selectively determining a quantity C of approximately 13 to 25 grams of ground coffee to be combined with a quantity W of at least 8 fluid ounces of water in the brewing chamber such that the ratio of C to W is less than 6 grams per fluid ounce, and the surface area of the ground coffee exposed to the hot water is approximately 2 and ⅛th inches, the brewed coffee passing through a second microfilter and producing crema coffee.