US Patent Issued to NATIONAL INSTITUTE OF ECOLOGY on April 14 for "Double filter apparatus including gas supply tube and system including the same" (South Korean Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,855, issued on April 14, was assigned to NATIONAL INSTITUTE OF ECOLOGY (Seocheon-gun, South Korea).

"Double filter apparatus including gas supply tube and system including the same" was invented by Won Jun Lee (Gwangju, South Korea) and Ji Yeong Kim (Gunsan, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to various exemplary embodiments of the present disclosure, a double filter apparatus including a gas supply tube and a system including the same are applied to be supplied with oxygen from the outside through the gas supply tube to maintain the amount of dissolved oxygen in the filter structure at a high level and increasing ...