Today in 1934, US Patent 1979428 A was issued, an invention of John L. Wheeler, for his “Measuring Faucet.” There’s no Abstract, although in the description it includes these claims:

An object of the invention is to provide a measuring faucet or tap whereby measured quantities of beer and other fermented liquids and beverages may be drawn or tapped without producing undesired or excessive amounts. Another object of foam, the invention is to provide an improved measuring faucet or tap having a receptacle into which measured amounts of beer, or other liquids, may be received from the usual keg or barrel containing the beer, or other liquids, in combination controlling admitted into said receptacle with means for selectively the amount of beer, or other liquid receptacle, and a valve controlling the admission of the beer or other liquid, into said receptacle and the discharge of the same therefrom.