ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,894, issued on Nov. 3.

"Coupler assembly" was invented by Marko Langerholc (Melbourne, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coupler assembly includes a male coupler assembly and a female coupler assembly. The male coupler body includes an annular locking ring. The female coupler assembly includes locking dogs that abut the locking ring when the male coupler assembly is fully inserted into the female coupler assembly and can be displaced radially outward as the male coupler assembly is inserted into the female coupler assembly. The female coupler assembly includes a piston that is movable using one or more linear actuators such t...