Today in 2005, US Patent 6871579 B2 was issued, an invention of Evgeny Konstantinovich Belkin, Andrei Arkadievich Peshkin, Vladimir Gennadievich Matveev, Leonid Mikhailovich Prikhozhan, and Yury Vasilievich Artamonov, for their “Device For Producing Beer and a Unit for After-Fermentation.” Here’s the Abstract:

The invention relates to the food industry. In order to reduce sales expenses and preserve the taste of beer, the inventive device is provided by i-number communication units, necessary for operational connection and disconnection of i-number units for after-fermentation, and each of i-number units for after-fermentation is embodied in such a way so that it is transportable, thermally insulated, hermetic, protected from deposited yeast mixing with non-filtrated beer while transportation and can be connected to a cooling system, arranged at a point of sale and/or dispense.