ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,696, issued on July 28, was assigned to Industrial Hans Co. Ltd. (Hk, Hong Kong).
"Heat insulation and fire prevention structure" was invented by Haihang Liu (Hk, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a heat insulation and fire prevention structure, which relates to the technical field of fire prevention structures of buildings. The heat insulation and fire prevention structure provided by the present invention comprises: a fireproof insulated wool and an external fire prevention board; the fireproof insulated wool is installed on a fire facing surface of a building structure to be fireproofed, and ...