ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,819, issued on Jan. 27, was assigned to VTEC Co. LTD. (Busan, South Korea).
"Vacuum suction pad and vacuum gripper having the same" was invented by Ho-Young Cho (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a vacuum suction pad applied to a vacuum transfer system. The vacuum suction pad has a structure in which a plurality of suction cells are formed by flexible partition walls. The vacuum suction pad includes a coil spring that is coaxially installed at a central portion in a longitudinal direction in each of the suction cells and spaced a distance from the partition wall and a pipeline flow con...