ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,658, issued on July 15, was assigned to PSG Germany GmbH (Duisburg, Germany).
"Diaphragm pumping" was invented by Simon Dario Nettesheim (Krefeld, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An assembly for a diaphragm pump includes: a body defining a plurality of diaphragm chambers spaced apart about a body axis, wherein each diaphragm chamber defines a membrane opening, an inlet chamber in fluid communication with each diaphragm chamber, and an outlet chamber in fluid communication with each diaphragm chamber; and a plurality of flexible membranes that each comprise an outer edge, wherein the body is configured to clamp the outer edge o...