ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,778, issued on May 20, was assigned to DK-LOK Corp. (Gimhae-si, South Korea).
"Semiconductor gas pipe fitting fastener" was invented by Eunsik Noh (Gimhae-si, South Korea) and Sunryong Lee (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor gas pipe fitting fastener is disclosed. The semiconductor gas pipe fitting fastener of the present disclosure includes: a female fitting member connected to a first pipe through which gas that is used in a semiconductor process flows; a male fitting member connected with the female fitting member by being connected to a second pipe opposite to the first pipe; a female nut memb...