ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,364, issued on July 1.
"Sailing rig system" was invented by Kamil Podhola (Liberec, Czech Republic).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a sailing rig system (SRS) for a sailing ship comprising one or more airfoil sails comprising one or more sail defining frames including at least three airfoil sail shape-defining edges and/or at least three airfoil sail shape-defining corners. The sail may be controllable, rotatable, pivotable, trimmable, reefable, stowable, slidable, windable, guidable, coaxial, weathervaning, wind/sun tracking, freestanding; it may provide cambering, reinforcing, sealing, boundary layer control, ...