ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,069, issued on Feb. 10.
"Shutoff apparatus and system" was invented by Joachim Jewski (Euskirchen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a barrier apparatus for arrangement on a subsurface. The barrier apparatus includes an at least substantially tubular hollow part that defines a longitudinal direction of the barrier apparatus, an actuating element that is arranged at a first free end of the hollow part and is movable relative to the hollow part between a loose position and an anchored position, a mechanical anchoring mechanism that is arranged opposite the actuating element in relation to the long...