ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,603, issued on Sept. 8, was assigned to Welleng Science and Technology Ltd (Banchory, Great Britain).
"Hydraulic lock apparatus" was invented by Peter Barnes Moyes (Aberdeenshire, Great Britain) and Stefan Neil Lewis Stewart (Aberdeenshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic lock apparatus includes a fluid release valve including a valve port and a valve member axially moveable within a valve chamber, wherein the fluid release valve is moveable from a sealing arrangement to an open arrangement, wherein the fluid release valve defines a second seal area when in the sealing arrangement; and a hydraulic chamber def...