ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,010, issued on June 16, was assigned to NEOEx Systems Inc. (Amherst, Ohio).
"Hydrogen liquefaction and recirculation for vehicle refueling" was invented by Mark S. Haberbusch (Amherst, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A refueling system for vehicles may include an inlet tube configured to fluidly connect to a container containing gaseous hydrogen, a cryocooler including a cold tip and a cold head, the cold tip configured to be driven to a hydrogen liquefaction temperature of between 20 and 25 K by the cold head, a condensation coil fluidly connected to the inlet tube to receive the gaseous hydrogen and thermally connected to the c...