ALEXANDRIA, Va., July 16 -- United States Patent no. 12,358,675, issued on July 15, was assigned to MAEDA KOSEN Co. LTD. (Fukui, Japan).

"Infilling-material formation frame device and method of positioning civil-engineering work bag" was invented by Shingo Isaka (Fukui, Japan), Satoshi Kawabata (Fukui, Japan) and Kenki Tsubota (Fukui, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An infilling-material formation frame device for putting infilling material into a civil-engineering work bag made of knitted fabric, the infilling-material formation frame device comprising: a frame body having a shape tapered inversely toward an upper opening thereof opened upward; and one or a plurality of overhang handle ...