ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,393, issued on Oct. 14, was assigned to Aalborg Universitet (Aalborg Ost, Denmark).

"Hydraulic device" was invented by Per Johansen (Tjele, Denmark) and Anders Hedegaard Hansen (Vestbjerg, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates inter alia to a hydraulic device which may be used as a hydraulic transformer. The hydraulic device comprising a housing, a first tubular cavity and a second tubular cavity both being provided within the housing. A piston structure is reciprocatable arranged within the housing and comprises a first piston and a second piston; wherein the first piston divides the first cavity into ...