ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,922, issued on May 27, was assigned to DynaEnergetics Europe GmbH (Troisdorf, Germany).
"Perforating gun assembly and components" was invented by Joern Olaf Loehken (Troisdorf, Germany), Stefan Purcelean (Troisdorf, Germany), Joerg Mueller (Bonn-Lengsdorf, Germany) and Benjamin Donauer (Lohmar, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A jacket may include a back wall, a top wall, a bottom wall, a first sidewall, a second sidewall, an open front portion opposite the back wall portion, an internal cavity configured to receive the shaped charge via the open front portion, a key configured to be received within one of a plurality of orient...