ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,991, issued on July 8, was assigned to MILWAUKEE ELECTRIC TOOL Corp. (Brookfield, Wis.).

"Plate compactor including belt tensioner assembly" was invented by Evan M. Glanzer (Milwaukee).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compactor includes a plate, a frame coupled to the plate, an exciter assembly coupled to the plate, and a motor movably coupled to the frame for driving the exciter assembly. The motor is coupled to the exciter assembly by a belt. The compactor further includes a tensioner assembly configured to tension the belt. The tensioner assembly includes a threaded shaft having a first end coupled to the plate and a second end coup...