ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,683, issued on Oct. 7, was assigned to Blue Origin Manufacturing LLC (Huntsville, Ala.).

"Rocket injector subscale stability assessment with telescoping throat or moveable injector plate" was invented by Owen Graham (Issaquah, Wash.), Warren Lamont (Seattle) and James Sisco (Goffstown, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for subscale testing of rocket engine injector stability. The system includes a combustion chamber with telescoping throat that is continuously axially moveable via an actuator. A modular injector plate comprises one or more first rocket engine injector elements configured to inject one or more pro...