ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,174, issued on July 1, was assigned to Pratt & Whitney Canada Corp. (Longueuil, Canada).
"Turbine engine airfoil" was invented by Abdulhalim Twahir (La Prairie, Canada), Panagiota Tsifourdaris (Montreal) and Daniel Lecuyer (St-Bruno-de-Montarville, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An airfoil is provided that includes a first end, a second end, a leading edge, a trailing edge, a pressure side and a suction side. The leading edge and the trailing edge are joined by the pressure side and the suction side to provide an exterior airfoil surface extending in a spanwise direction from the first end of the airfoil to the second end of th...