ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,885, issued on Feb. 10.
"Brewing apparatus, system and method with adjustable pressure" was invented by Roderick M. Dayton (Charlotte, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an apparatus and method that provides a brewing machine that produces a static water pressure with a variable water pressure. A first portion of an adaptor includes a peripheral wall that defines a region that receives heated water at a first pressure. A plurality of flanges protrude outwardly from the peripheral wall and cooperate with a group head of the brewing machine that is configured to receive and support a portafilter. A second portion is separ...