ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,199, issued on Feb. 17, was assigned to CHANG'AN UNIVERSITY (Xi'an, China).
"Prestressed strengthening apparatus for prefabricated highway bridge" was invented by Shizhi Chen (Xi'an, China), Tao Wang (Xi'an, China) and Fei Yang (Xi'an, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a prestressed strengthening apparatus for a prefabricated highway bridge. The prestressed strengthening apparatus includes a first mounting frame in a length direction of a strengthening component. The first mounting frame is provided with a sliding table in a length direction, a sliding block of the sliding table is provided with a b...