ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,907, issued on Sept. 9, was assigned to AUDI AG (Ingolstadt, Germany).
"Bipolar plate and fuel cell stack" was invented by Oliver Keitsch (Heilbronn, Germany), Armin Siebel (Neckarsulm, Germany) and Sebastian Voigt (Heilbronn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bipolar plate formed from two single plates joined together, formed with a reactant flow field on their plate surfaces facing away from each other, comprises multiple flow ducts for a reaction medium, bounded by walls of webs, wherein the webs and the flow ducts of one of the single plates run opposite the webs and the flow ducts of the other of the single plates in an ...