ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,153, issued on Aug. 12, was assigned to Siemens Energy Global GmbH & Co. KG (Munich).

"Apparatus and method for utilizing off-gases from a power-to-X system" was invented by Frank Hannemann (Rottenbach, Germany), Joachim Lamp (Bubenreuth, Germany) and Gerhard Zimmermann (Hochstadt/Aisch, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power-to-X system for the utilization of off-gases, includes an electrolyzer for generating hydrogen H2 and oxygen O2, a unit, connected to the electrolyzer, for processing the hydrogen H2, for removing any remaining water H2O and oxygen O2 from the generated stream of hydrogen H2, a compressor, connected to t...