ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,963, issued on Sept. 30, was assigned to General Electric Co. (Schenectady, N.Y.).
"Suction side micro-riblet patches for a turbine airfoil" was invented by John Joseph (Bangalore, India), Vishnu Vardhan Venkata Tatiparthi (Bangalore, India), Francesco Bertini (Piossasco, Italy), Lyle Douglas Dailey (Cincinnati) and Paul Hadley Vitt (Liberty Township, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turbine airfoil comprises an airfoil defining a leading edge, a trailing edge, a root portion, a tip portion, a chord line defining a chord length of the airfoil, a suction side surface extending in a spanwise direction from the root portion to the...