ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,688, issued on May 26, was assigned to INSTITUTE OF SOIL SCIENCE, CAS (Nanjing, China).

"Vehicle-mounted in-situ magnetic field decontamination device for heavy metal contaminated soil with retractable baffle" was invented by Yongming Luo (Nanjing, China), Guoming Liu (Nanjing, China) and Chen Tu (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle-mounted in-situ magnetic field decontamination device for heavy metal contaminated soil with a retractable baffle is provided and includes a mounting frame, a plurality of magnetic rods circumferentially move along the mounting frame, the mounting frame and a lifting regulator are hinge...