Today in 1900, US Patent 654369 A was issued, an invention of Edward Wagner, assigned to the Model Bottling Machinery Company, for his “Apparatus For Pasteurizing Beer.” There’s no Abstract, although in the description it includes these claims:

This invention relates to an improved apparatus for pasteurizing beer, the’object being to provide a simple, cheap, and convenient apparatus for treating the bottled beer to destroy the yeast molecules and germs contained therein, whereby further fermentation is prevented.