ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,938, issued on Sept. 23, was assigned to Energy Vault Inc. (Westlake Village, Calif.).
"Energy storage and delivery system and method" was invented by Andrea Pedretti (Thousand Oaks, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An energy storage and delivery system includes an elevator cage, where the elevator cage is operable to move one or more blocks from a lower elevation to a higher elevation to store energy (e.g., via the potential energy of the block in the higher elevation) and operable to move one or more blocks from the higher elevation to the lower elevation (e.g., by gravity) to generate electricity (e.g., via the kinetic energ...