ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,954, issued on Oct. 21.
"Buoyant force utilization device" was invented by Thomas Ullrich (Berlin).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a buoyancy force utilization device for converting kinetic buoyancy energy and/or potential energy into an electrical and/or mechanical energy, a temperature barrier device and a method for converting thermal energy into electrical energy, wherein the invention utilizes the cyclic lift and fall of a buoyant body within a fluid to provide an electrical energy."
The patent was filed on Oct. 28, 2022, under Application No. 18/704,599.
*For further information, including images, chart...