ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,135, issued on Oct. 6.
"Fire emergency self-rescue device" was invented by Li Zhang (Dazhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fire emergency self-rescue device is provided, which is provided with a storage compartment and a soft barrier curtain. The storage compartment is a frame structure with an opening facing downward, a top of the storage compartment is provided on a ceiling of a bathroom. The barrier curtain is provided in the storage compartment, an upper of the barrier curtain is fixed on an inner side of a top of the storage compartment and can be suspended from top to bottom to the ground. The barrier curtain is a doubl...