US Patent Issued to X-Bow Launch Systems on March 18 for "Modulating internal ballistics in a 3D-printed rocket motor and an additive manufacturing process" (New Mexico, California Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,051, issued on March 18, was assigned to X-Bow Launch Systems Inc..

"Modulating internal ballistics in a 3D-printed rocket motor and an additive manufacturing process" was invented by Jason Hundley (Albuquerque, N.M.), Mark Kaufman (Auburn, Calif.) and Michael McPherson (Socorro, N.M.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making a multi-grained fuel grain for a rocket is disclosed, the method comprising the steps of using at least one nozzle to extrude a first propellant in an additive manufacturing process, the first propellant comprising a multi-grained fuel grain, the multi-grained fuel grain forming the at least one void, t...