ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,805, issued on Aug. 19, 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 with a reactant flow field on each of its plate surfaces facing away from each other, comprises multiple flow ducts for a reaction medium, bounded by walls of webs, wherein the respective reactant flow field is connected fluidically to a media port across a distribution region situated outside an active region, wherein at least one duct of the distri...