ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,752, issued on Oct. 20, was assigned to Sekels GmbH (Ober-Moerlen, Germany).
"Device for moving a magnetic object in a container" was invented by Peter Bluemler (Ingelheim am Rhein, Germany), Dietrich Sekels (Rockenberg, Germany) and Stefan Hiebel (Friedberg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for moving a magnetic object in a container has two pairs of dipoles grouped around the container. Between the pairs of dipoles a pair of mutually concentrically surrounding quadrupoles is arranged. The dipoles and the quadrupoles are in the form of a Halbach cylinder. In this way, the magnetic object can be moved through the conta...