ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,944, issued on May 13, was assigned to FOSITEK Corp. (New Taipei, Taiwan).

"Pipe coupler with locking structure" was invented by An-Szu Hsu (New Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pipe coupler with locking structure includes male and female parts connected end-to-end. The male part includes a male coupler body provided with at least one groove, a spring fitted on the male coupler body with an end fixed thereto, and a sleeve enclosing the male coupler body and the spring therein with another end of the spring fixed thereto. A retaining member is connected at an end to the sleeve with a protruded element provided on a free...