ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,725, issued on Oct. 6, was assigned to PRATT & WHITNEY CANADA CORP. (Longueuil, Canada).

"Air bleed slots for gas turbine engines" was invented by James O'Brien (Hamilton, Canada) and David Hill (Etobicoke, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Stator assemblies for gas turbine engines include a stator and a set of stator vanes. A bleed aperture is defined between first and second stator vanes having respective vane camber lines. A channel is defined between the stator vanes and a mid-channel line is defined equidistant between the first and second vane camber lines and follows a parallel contour of the vane camber lines. The channel ...