ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,185, issued on Feb. 24, was assigned to Bumach Engineering International B.V. (TA Emmen, Netherlands).
"Working cylinder, in particular a hydraulic working cylinder" was invented by Josef Bueter (Haren/Altenberge, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cylinder has a coupling portion with a coupling ring and a locking body. A cylinder tube has an inner annular groove and a closure part is disposed in a tube end portion and has an outer annular groove axially open at one side. The annular grooves define an annular groove space that receives a coupling ring. The ring is segmented into a plurality of ring segments. The ring segments a...