ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,238, issued on Nov. 3, was assigned to Lockheed Martin Corp. (Bethesda, Md.).

"Using superconductors to provide passive magnetic shielding of structures immersed in plasma" was invented by Thomas J. McGuire (Palmdale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fusion reactor includes a fusion plasma reactor chamber. A magnetic coil structure is disposed inside of the fusion plasma reactor chamber, and a structural component is also disposed inside of the fusion plasma reactor chamber. The structural component couples the magnetic coil structure to the fusion plasma reactor chamber. A superconducting material is disposed at least partiall...