Today in 1882, US Patent 256550 A was issued, an invention of David W. Davis, for his “Cooling Beer.” There’s no Abstract, but in the description states the following:
My invention consists in a new process ot cooling beer, which process can be applied to most of the devices in use for that purpose, und especially to that class of coolers known as the Baudelot Cooler, and the process is produced by the device that will be fully hercinafter described.