ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,249, issued on Dec. 23, was assigned to ESS 2 Tech LLC (Bethlehem, Pa.).
"Ram air turbine" was invented by Michael Suk (Milton, Pa.) and David A. Shoffler (Marion Heights, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ram air turbine may include an output shaft, a first turbine blade set configured to rotate in a first direction, and a second turbine blade set configured to counter-rotate with respect to the first turbine blade set. The rotation of the first turbine blade set and the counter-rotation of the second turbine blade set drives the output shaft."
The patent was filed on Feb. 23, 2023, under Application No. 18/173,748.
*For furthe...