ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,405, issued on April 15, was assigned to POWERCELL SWEDEN AB (Gothenburg, Sweden) and Reinz-Dichtungs-GmbH (Neu-Ulm, Germany).
"Fuel cell stack and bipolar plate assembly" was invented by Johan Flink (Gothenburg, Sweden), Bernd Gaugler (Ulm, Germany) and Claudia Kunz (Ulm, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bipolar plate assembly for a fuel cell or a fuel cell stack has at least a first flow field plate and a second flow field plate, wherein the first flow field plate and the second flow field plate are fastened on top of each other, wherein the bipolar plate assembly has a first area, in which an edge of the first flow field pl...