Today in 2011, US Patent 20110274785 A1 was issued, an invention of Bert Boyce, C. James Koch, David Grinnell, and Martin Zarnkow, assigned to the Boston Beer Corporation, for their “Method and System for Producing a Malt Beverage Having a High Degree of Fermentation.” Here’s the Abstract:

Exemplary embodiments of a brewing method and system are provided, where a mixture comprising water and milled malt are mixed to produce a primary mash, and wort is produced from the primary mash. A supernatant liquid is obtained comprising active enzymes from a secondary mash, and the supernatant liquid is added from the secondary mash to the wort, and/or the supernatant liquid can be added to fermented wort after yeast is added to the wort.