ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,589, issued on April 7, was assigned to SHIMADZU Corp. (Kyoto, Japan).

"Method for washing gas supply part in gas inspection apparatus" was invented by Akara Hashimoto (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for cleaning a gas supply unit of a gas inspection apparatus, the gas supply unit (8) being configured to supply a sample gas from supply ports (P01 to P12) to an inspection unit via a supply path, the method including connecting a bag container in which nitrogen gas is sealed to each of the supply ports (P01 to P12), and depressurizing the supply path for a predetermined period of time."

The patent was filed on Se...