ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,538, issued on Sept. 16, was assigned to Rolls-Royce PLC (London).
"System and method for testing a specimen" was invented by Zhen Zhou (Derby, Great Britain), Duncan A. Macdougall (Derby, Great Britain) and Julian M. Reed (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and a method of testing a specimen. The system includes an endcap, a plurality of bars, a plurality of strain gauges, and a gas gun. The endcap includes a first surface and a second surface opposite to the first surface. The first surface is curved. Each bar is disposed in contact with the second surface of the endcap and extends along a longitudinal ax...