ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,802, issued on Oct. 27, was assigned to Semes Co. Ltd. (Cheonan-si, South Korea).
"Cutter apparatus for double pipe" was invented by Sung Hun Eom (Hwaseong-si, South Korea) and Tae Won Yun (Namwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a cutter apparatus for a double tube for cutting an outer tube in a double pipe including an inner tube and the outer tube, the cutter apparatus for the double tube including: a main body which is grippable by a hand of an operator; a cylindrical protection member which is connected to the main body and into which the inner tube is inserted; and a cutter member including a blade fo...