Patent ID: 8857318

Claim:
A coffee maker comprising: a power switch that is actuatable by a user to an on-position; a shell; a water pump disposed in the shell; a boiler disposed in the shell and containing water, the boiler including an outlet pipe directly connecting to the water pump, the boiler including a boiler heater responsive to the power switch being actuated into the on-position by heating the water contained in the boiler to a provided temperature value; a temperature indicator light configured to alert the user that the water, contained in the boiler, has reached the provided temperature value; a water level indicator configured to alert the user that the water, contained in the boiler, is lower than a provided water level value, a check valve disposed in the shell, the check valve having an inlet and an outlet; a water port disposed in the shell; a coffee extractor disposed in the shell; and a flush button that is actuatable by the user to an on-position, in the on-position of the flush button, the water, that is contained in the boiler and that has reached the provided temperature value, is supplied from the boiler by the pump to the inlet of the check valve, then to the water port, and then to the coffee extractor, the water pump being disposed downstream from the outlet pipe of the boiler and upstream to the inlet of the check valve, and the outlet of the check valve being communicated with the coffee extractor through the water port.