ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,579, issued on Aug. 4, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Claude Georges (Paris).

"Method for managing a fault in a pressure swing absorption gas treatment unit" was invented by Paulo Silva (Cergy, France), Christian Monereau (Montpellier, France), Jan Matthyssen (Kapellen, Belgium), Pascal Meerman (Rotterdam, Netherlands) and Luc Nelis (Vorselaar, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for managing a pressure swing adsorption gas treatment unit, the unit having at least N adsorbers, N being a number greater than or equal to 6. Wherein, when a first group and a second gro...