ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,404, issued on Feb. 17, was assigned to Innovative Rocket Technologies Inc. (East Islip, N.Y.).
"Rocket engine with dual contour nozzle" was invented by Asad Malik (East Islip, N.Y.) and Jeffery Alan Muss (Sacramento, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rocket engine includes a primary chamber and a double contour nozzle attached to the primary chamber. The double contour nozzle includes an inner contour nozzle, an outer contour nozzle, and a transition region between the inner contour nozzle. The inner contour nozzle includes a conical contour. The outer contour nozzle includes a bell contour and at least one propellant injectio...