ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,330, issued on April 21, was assigned to Robert Bosch GmbH (Stuttgart, Germany).

"Fuel cell stack and electrochemical reactor" was invented by Jan Schotte (Leonberg, Germany), Jan Hendrik Ohs (Renningen, Germany), Stefan Klenge (Gerlingen, Germany) and Volker Gross (Leonberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a fuel cell stack (10) for an electrochemical reactor (11), comprising: -a first membrane-electrode assembly (12), a first anode plate (21) having ridges (30), between which ridges channels (31) for conducting fuel (32) and coolant (33) are formed, and -a second anode plate (22) having ridg...