ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,913, issued on April 29, was assigned to Topsoe A/S (Lyngby, Germany).

"Solid oxide cell stack with a pressure difference between anode and cathode compartments" was invented by Rainer Kungas (Peetri, Estonia), Thomas Heiredal-Clausen (Birkerod, Denmark), Bengt Peter Gustav Blennow (Humlebaek, Denmark), Tobias Holt Norby (Glostrup, Denmark) and Jeppe Rass-Hansen (Copenhagen V, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A SOC stack has interconnects with a maximum distance between the contact points which are designed to compensate for pressure difference between one side of the interconnect to the other side."

The patent was filed on Oct...