ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,586, issued on Feb. 3, was assigned to GUSTAV KLAUKE GMBH (Remscheid, Germany).
"Hydraulic work tool with a device for impact damping" was invented by Egbert Frenken (Heinsberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a hydraulic cylinder (6) with a hydraulically actuatable working piston (10) movable therein for transferring a working force to an object (20) to be processed outside of the hydraulic cylinder (6) accompanied by the buildup of a counterforce, wherein the working piston (10) has an actuation surface (12), the actuation surface (12) borders an actuation space present between the working piston (10)...