ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,284, issued on Jan. 27, was assigned to RPC Bramlage GmbH (Lohne, Germany).
"Closure device and method for filling a closure device" was invented by Martin Presche (Dinklage, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A closure device for a container has a lid member for closing the container opening, a chamber associated with the lid member and an inner housing, the chamber and the inner housing having closure means and opening means, which interact with one another in so that a medium contained in the chamber can escape into the container by moving the lid member relative to the inner housing. The chamber is divided by a separating par...