ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,233, issued on Jan. 20.
"Steel-structure building envelope capable of erecting scaffold and method for erecting scaffold" was invented by Feng-Yi Yang (Kaohsiung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A steel-structure building envelope capable of erecting a scaffold and a method for erecting the scaffold are disclosed. The scaffold is fastened to the steel-structure building envelope through two steps fastening means. A pre-embedded reinforcing steel bar is laid in each of RC slabs and extends out of the corresponding RC slab to be wound around the scaffold, serving as the first fastening means for fastening the scaffold. Locking pa...