ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,482,445, issued on Nov. 25, was assigned to LET ENGINEERING Co. LTD. (Hwaseong-si, South Korea).
"Liquid oxygen vent silencer" was invented by Ju Sik Lee (Ansan-si, South Korea), Hyung Dong Lee (Suwon-si, South Korea), Sun Byeul Jo (Gyeongsan-si, South Korea), Won Myeong Seo (Incheon, South Korea), Tae Kyu Kim (Anyang-si, South Korea) and Dong Guen Lee (Ansan-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a liquid oxygen vent silencer implemented so as to eliminate potentially explosive elements, and the liquid oxygen vent silencer is manufactured using copper plates and stainless (SUS) having no risk of...