ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,339, issued on March 18, was assigned to DynaEnergetics Europe GmbH (Troisdorf, Germany).
"Adapter and shaped charge apparatus for optimized perforation jet" was invented by Joern Olaf Loehken (Troisdorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adapter for a shaped charge includes a plurality of members configured to be secured to an inner surface of a shaped charge case. Each member of the plurality of members is spaced apart from each other such that the adapter has a central open area. According to an aspect, a securing mechanism is configured to secure the member to an inner surface feature of the shaped charge case."
The pat...