ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,548, issued on Nov. 11, was assigned to HAMATON AUTOMOTIVE TECHNOLOGY Co. LTD. (Hangzhou, China).
"Threaded fixing structure" was invented by Jianer Zhang (Hangzhou, China) and Shuqin Jiang (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A threaded fixing structure includes an inflating valve, a base and a sealing ring, the inflating valve is in threaded connection with the base, the sealing ring is arranged between the inflating valve and the base, after the threaded connection between the inflating valve and the base is completed, a fixed protrusion portion is formed on the surface, attached to the inflating valve, of the base by p...