ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,374, issued on Oct. 14, was assigned to SEMES Co. LTD. (Cheonan-si, South Korea).

"OHT vehicle traction device and method for recoverying malfunctioned vehicle" was invented by Ki Sub Yoon (Suwon-si, South Korea) and Ji Yoon Jung (Ansan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed are an OHT (overhead hoist transport) vehicle traction device and a method of managing an OHT system using same. The OHT vehicle traction device may solve problems of a driving-malfunction vehicle on the rails of an OHT system or tows the vehicle, and the method of managing the OHT system may increase the management efficiency of the entire OHT s...