ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,998, issued on Dec. 23.

"Horizontal axis rotational force generator having blade revolving and rotating" was invented by Sang Cheol Lee (Goyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A horizontal axis rotational force generator is introduced, utilizing fluid flow to drive motion. The system includes one or more rotating mechanisms, each with multiple blades positioned at equal phase angle intervals. These blades revolve around a horizontal shaft while simultaneously rotating around parallel sub-shafts when exposed to fluid pressure, producing torque on the main shaft. A support structure holds the shaft and allows stable axia...