ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,789, issued on Nov. 18, was assigned to HL MANDO Corp. (Pyeongtaek-si, South Korea).
"Hydraulic stopping damper" was invented by Eun Joong Kim (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Present disclosure A hydraulic stopping damper includes a cylinder in which a work fluid is stored, a piston rod coupled such that one side of the piston rod is to be inserted into an inner space of the cylinder, and a rod guide through which the piston rod passes and coupled to one side of the cylinder. The hydraulic stopping damper includes a rebound spring surrounding the piston rod and disposed in an inner space of the cylinder, and ...