ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,146, issued on Feb. 24, was assigned to DELLNER COUPLERS AB (Falun, Sweden).
"Pneumatic coupler control arrangement and method for uncoupling a coupler" was invented by Peter Lundberg (Falun, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an arrangement and a method, the method comprising-uncoupling a mechanical coupler (M), -activating a first valve (2, 20) in response to the uncoupling of the mechanical coupler (M) by switching the first valve (2, 20) to a first state, -activating a valve unit (3, 30), -connecting an uncoupling control inlet (A) of the valve unit (3, 30) to a first valve unit outlet (34, 305) in res...