ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,254, issued on Jan. 13, was assigned to Murata Machinery Ltd. (Kyoto, Japan).

"Overhead transport vehicle system" was invented by Makoto Kobayashi (Ise, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An overhead transport vehicle system includes an overhead transport vehicle including a traveler and a body supported by the traveler via a suspension to hold an object to be transported, and a traveling rail including a slit, through which the suspension is movable when the traveler travels, and rolling portions along which traveling wheel rolls, and having a tubular shape including an internal space through which the traveler travels. In the int...