ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,369, issued on Aug. 12, was assigned to DynaEngergetics Europe GmbH (Troisdorf, Germany).
"Perforating gun assembly with rotating shaped charge holder" was invented by Christian Eitschberger (Munich), Gernot Uwe Burmeister (Austin, Texas) and Arash Shahinpour (Troisdorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shaped charge positioning device may include a shaped charge holder, an initiator holder coupled to the shaped charge holder via a first rotation coupling, and a shaped charge receptacle provided on the shaped charge holder. The shaped charge receptacle may be rotatable around a central longitudinal axis of rotation of the sha...