ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,347, issued on May 13, was assigned to Urban Mining Corp B.V. (Rotterdam, Netherlands).
"Magnetic field gradient apparatus and apparatus for separation" was invented by Marc Maria Jozef Dhalle (Enschede, Netherlands) and Jaap Jeroen Kosse (Slagharen, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a magnet apparatus for generating a magnetic field, the magnet apparatus comprising: at least three coils arranged besides each other along a first axis in a first plane, wherein each coil comprises a conductor comprising a material having superconducting properties at an operating temperature, the coils further comprise...