ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,258, issued on May 19, was assigned to ALFA LAVAL CORPORATE AB (Lund, Sweden).

"Flow control arrangement and method of cleaning such an arrangement" was invented by Jesper Bak Nielsen (Vejen, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flow control arrangement comprising a first and a second valve member, wherein the second valve member is, at an end facing the first valve member, formed with a circumferentially extending ring-shaped surface facing with a major component in a longitudinal direction, a recess being surrounded by the ring-shaped surface and being configured to receive a portion of the first valve member, and a circumferent...