ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,842, issued on June 3, was assigned to FuelCell Energy Inc. (Danbury, Conn.).

"System and method for producing hydrogen using high temperature fuel cells" was invented by Fred C. Jahnke (Rye, N.Y.) and Matthew Lambrech (Sherman, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A steam methane reformer-integrated fuel cell system includes at least one fuel cell including an anode, a cathode, and an electrolyte matrix. The system includes a steam methane reformer, a water-gas shift reactor, an absorber column, and a pressure swing adsorption (PSA) system. The PSA system is configured to purify the second product stream to output (1) a third product...