ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,083, issued on Nov. 4, was assigned to Festo SE & Co. KG (Esslingen, Germany).
"Vacuum unit" was invented by Georg Preisenberger (Esslingen, Germany), Marco Kunze (Remshalden, Germany) and Oliver Ringelspacher (Esslingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum unit with at least one vacuum generator, including a working unit with an ejector unit through which compressed air can flow for a vacuum generation and with an electrically actuable vacuum control valve which controls the application of compressed air to the ejector unit, further including a display and control module with a display module for visualizing status inform...