ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,464, issued on Aug. 25, was assigned to HL MANDO Corp. (Pyeongtaek, South Korea).
"Frequency-sensitive shock absorber" was invented by Sewon Cho (Yongin, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A frequency-sensitive shock absorber according to an embodiment of the present disclosure includes a valve assembly configured to generate a damping force that varies depending on a magnitude of a frequency, in which the valve assembly includes a main retainer having a main chamber configured to communicate with an injection flow path formed in a piston rod or a body pin, a main valve configured to open or close the main chamber, a housing ...