ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,975, issued on Sept. 9, was assigned to NORITAKE Co. Ltd. (Nagoya, Japan).

"Heat treatment vessel coupler, heat treatment vessel coupling method, and heat treatment method" was invented by Kenji Matsuda (Nagoya, Japan), Kenji Matsunaga (Nagoya, Japan), Yoshihiro Sekikawa (Nagoya, Japan) and Kazuhiro Onoda (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A heat treatment vessel coupler for coupling together heat treatment vessels adjacent in a horizontal direction, of a plurality of rectangular box-shaped heat treatment vessels each loaded with a material to be treated, conveyed in a conveying direction on a plurality of rotationally dr...