Today in 2012, US Patent 20120093992 A1 was issued, an invention of Peter Gattermeyer and Christian Dorr, assigned to Krones Ag, for their “Apparatus and Method For Stripping Wort.” Here’s the Abstract:

An apparatus and a method for stripping wort, with the apparatus including a receptacle that has a wort inlet and a wort outlet, and a heater on the side wall of the receptacle as well as a distributor device which applies the wort to the heating surface of the heater, such that the wort runs down the heating surface as a film.