ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,957, issued on Dec. 23, was assigned to Cummins Ltd. (London).

"Turbine" was invented by Craig Stuart Thornhill Hasler (London) and Nicholas Kenneth Sharp (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable geometry turbine comprising: a wheel supported for rotation about an axis; a housing comprising a first volute for receiving gas from a first source and a second volute for receiving gas from a second source; the first and second volutes being separated by a dividing wall; and an inlet passageway surrounding the wheel and fluidly connected to the volutes; the inlet passageway at least partially defined between a first wall and an op...