US Patent 10123650 Vacuum coffee maker with magnetic coupling system

A vacuum-type coffee maker includes an upper brewing unit and a lower carafe. The upper brewing unit includes a vessel and a collar disposed around a lower portion of the vessel. The collar includes a magnetic array defining an upper magnetic coupler. The lower carafe includes a vessel having a collar disposed around an upper portion of the vessel. The collar further includes a magnetic array to define a lower magnetic coupler. In assembly, the upper magnetic coupler is magnetically coupled to the lower magnetic coupler when the upper brewing unit is received on the lower carafe. A heating element is disposed in a base portion of the lower carafe. The lower carafe is removeably received on a support stand, and the heating element of the lower carafe is powered by the support stand in use during a brewing sequence.