ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,481, issued on May 5, was assigned to Acorn Engineering Co. Inc. (City of Industry, Calif.).
"Diaphragm bead configuration" was invented by Edward Barry Knoles (Duarte, Calif.), Adrian Alexander Filip (Corona, Calif.) and Kevin Thomas Hamlett (Highland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve diaphragm for a relief valve may include: a body having a first beaded end and a second beaded end, the first beaded end having a bottom surface and a bulge extending from the bottom surface. The bottom surface may be configured to contact a first portion of a corner of a lower valve body, and the bulge is configured to contact a step of an ...