ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,286, issued on Sept. 23, was assigned to Vacuum Technologies LLC (Sheridan, Wyo.).

"Flow meter" was invented by John F. Tucker (Sheridan, Wyo.), Clay D. Price (Sheridan, Wyo.) and Justin Taylor Heaps (Ranchester, Wyo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air pressure-based flow meter assembly for a vacuum hose of a vehicle vacuuming system capable of measuring static pressure and dynamic pressure that includes a cover having an upstream end with an upstream cover opening and a downstream end with a downstream cover opening, a venturi insert disposed within and coupled to the cover, and a flow meter engaged with the cover and attached t...