ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,463, issued on June 23, was assigned to LOEWENSTEIN MEDICAL TECHNOLOGY S.A. (Luxembourg).

"Gas control device for a ventilator" was invented by Joachim Gardein (Icod de los Vinos, Spain), Henry Hahn (Hamburg, Germany) and Benjamin Adametz (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a gas control device (10) for a ventilator, comprising a first gas channel (11) having a non-return valve (19), a second gas channel (12) and a switching apparatus (13), wherein the first gas channel (11) has an opening (14) for the outflow of gas with a seal (15) and a closure cap (16), wherein the switching apparatus...