ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,986, issued on Sept. 23, was assigned to LIEBHERR-AEROSPACE LINDENBERG GMBH (Lindenberg, Germany).
"Valve and aircraft" was invented by Ralf Brugger (Wangen, Germany), Andreas Durner (Lindenberg i.A., Germany) and Thomas Sauterleute (Wangen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a valve, preferably a continuous valve comprising a spool and a spool sleeve, wherein the spool comprises a control surface and the spool sleeve comprises an opening, wherein the valve is configured in such a way that the control surface can cover the opening, wherein the spool can be positioned such that the control surfac...