ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,863, issued on Jan. 13, was assigned to TKR Spezialwerkzeuge GmbH (Gevelsberg, Germany).
"Hand-held pulling and compression device and hydraulic actuator" was invented by Torsten Kreischer (Wetter, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a hand-held pulling and compression device and a hydraulic actuator for a hand-held pulling and compression device for driving hydraulic tools, with a housing body having a working chamber filled with hydraulic fluid, a hydraulic piston arranged in the working chamber to be displaceable between a starting position and an end position and a hydraulic tool connection with a hydr...