Today in 1890, US Patent 440464 A was issued, an invention of Michael Byrne, for his “Apparatus for Brewing Beer.” There’s no Abstract, although in the description it includes this summary:

My invention relates to an improvement in what is known as a wort pan or grande employed in the process of brewing beer, and has for its object to so construct the same that the beer-wort will he maintained at a higher and more regular temperature while in the pan than heretofore, and at the same time be effectually protected against scorching or coloration; and a further object of the invent1on is to provide against the wort cooling down as delivered by the taps of the mashtub, and also to draw the wort from the pan without loss and in a convenient and expeditious manner.