ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,054, issued on Sept. 23, was assigned to Festo SE & Co. KG (Esslingen, Germany).
"Vacuum unit" was invented by Georg Preisenberger (Esslingen, Germany) and Marco Kunze (Remshalden, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum unit having at least one vacuum generator extending along a main axis and comprising a base body, further having a silencer housing containing a silencer. An ejector unit extends in the base body and an ejector axis is oriented parallel to the main axis and a suction zone of the ejector unit communicates via a vacuum channel with a vacuum tapping opening, and an air exhaust channel of the ejector unit extend...