ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,711, issued on March 18, was assigned to RIGTOOLS ApS (Randers SO, Denmark).
"Ferromagnetic material removing device and method for removing ferromagnetic material from a fluid" was invented by Per Krogh (Randers, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ferromagnetic material removing device for removing ferromagnetic material from a fluid containing ferromagnetic material is disclosed. The device comprises at least one carrier encasing a plurality of permanent magnets arranged in an inner space of the carrier. The outside of the carrier is configured to collect ferromagnetic material that is attracted by the magnets. The carrier i...