ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,416, issued on Aug. 5, was assigned to HEWLETT-PACKARD DEVELOPMENT COMPANY LP (Spring, Texas).
"Reversible micro-valve devices" was invented by Pavel Kornilovich (Corvallis, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reversible micro-valve device includes a main channel, a passage comprising an opening in fluid communication with the main channel, and a side chamber to house a volume of trapped gas. The side chamber is communicably attached to the passage to control flow along the main channel. The side chamber is to be larger in volume than the main channel to which the trapped gas expands and includes one of the following two states at a...