Patent ID: 7021556

Claim:
An apparatus comprising: a basin having a bottom surface and an outer side surrounding said bottom surface, said basin being configured to contain a fluidic material within said basin; a heating element configured to substantially evenly heat said bottom surface of said basin; a cylinder having a top end and a bottom end, wherein said bottom end is attached to said bottom surface of said basin so that said cylinder extends substantially perpendicular from said bottom surface; an auger having a spiral flight comprising a plurality of revolutions protruding along a length of said auger, wherein said auger is disposed within said cylinder; a tier comprising a collar portion, a body portion, and a notch between the junction of the collar portion and the body portion, wherein said cylinder comprises a step of sufficient size so that the step engages the notch and supports said tier on the cylinder; and a source of rotation coupled to said auger and configured to rotate said auger inside said cylinder, wherein said spiral flight supports said fluidic material as said auger rotates, moving said fluidic material upwardly to said top end of said cylinder.