ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,752,888, issued on Oct. 6, was assigned to SOLARDUCK HOLDING B.V. (Nijmegen, Netherlands).
"Floating structure" was invented by Ewoud Huiskamp (Delft, Netherlands) and Cornelis Frans Donald Hoogendoorn (Gouda, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A floating structure comprises a buoyant member including a surrounding wall within which a pressure reservoir for storage of compressed gas is provided and a compressor for supplying compressed gas to the pressure reservoir. The compressor is a liquid piston gas compressor including two vessels for containing a liquid and a gas to be compressed above the liquid and a pump for pumping a liq...