US Patent Issued to Beijing Sweatlife Technology on Aug. 26 for "Tubular end to end coupling structure" (Chinese Inventor)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,744, issued on Aug. 26, was assigned to Beijing Sweatlife Technology Ltd. (Beijing).

"Tubular end to end coupling structure" was invented by Sen Ye (Wuhan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tubular end to end coupling structure includes a first inclined tube having a first inclined surface, a second inclined tube having a second inclined surface, and a coupling structure. The first inclined tube and the second inclined tube are connected by the coupling assembly. The coupling assembly includes a plurality of first convex teeth, tooth grooves, second convex teeth and second tooth grooves. The first convex teeth are engaged in the...