ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,500, issued on Feb. 3, was assigned to Junttan Oy (Kuopio, Finland).

"Piling hammer and method for striking pile" was invented by Tomi Voutilainen (Kuopio, Finland) and Roni Ryyppo (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a piling hammer comprising a linear electric machine comprising a mover connected to a ram block for striking a pile, a processor operatively connected to the linear electric machine and configured to determine a recoiled kinetic energy from striking the pile using a ram block connected to a mover of the linear electric machine, determining at least a portion of the determined recoiled kinetic energ...