ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,368, issued on Jan. 27, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Gas insulation apparatus" was invented by Makiko Kawada (Tokyo), Yosuke Oyanagi (Tokyo), Shohei Sasayama (Tokyo) and Yasumichi Hatanaka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas insulation apparatus includes: a tank that includes a flange surrounding an opening and in which an insulating gas containing oxygen is enclosed; a lid that covers the opening; a bolt that fixes the lid to the flange; and a sealing member that is sandwiched between the flange and the lid, in which the sealing member includes a first O-ring that surrounds an entire circumference of t...