ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,154, issued on Sept. 30, was assigned to FOSITEK Corp. (New Taipei, Taiwan).
"Quick coupler assembly" was invented by An-Szu Hsu (New Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quick coupler assembly includes a male and a female coupler connected end to end. The male coupler includes a seat having a core pipe; and a sliding sleeve and a sleeve sequentially fitted around the core pipe. The female coupler includes a pipe member externally provided with a pipe sealing ring and internally provided with a movable valve head. The pipe member pushes the sliding sleeve backward when being connected to the sleeve of the male coupler, so...