ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,423, issued on Feb. 10, was assigned to TRISTONE FLOWTECH SOLUTIONS (TFS) (Carquefou, France).

"Connecting device, in particular for producing a fluid flow circuit" was invented by Ghislain Gaudiau (Ancenis, France) and Luc N'Kaoua (Nantes, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Connecting device (1), comprising: *-a bush (2), *-an end piece (6) which can be inserted into the bush (2) and is provided with a collar (7), *-a locking device (8) comprising an annular lock (9) which is radially movable inside the bush (2) and a return member (10) for returning the lock (9) to a locked position for retaining the collar (7) of the end piece ...