ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,121, issued on Jan. 13, was assigned to Wagner Group GmbH (Germany).

"Method and test device for verifying the functionality of an intake particle detection system" was invented by Oliver Linden (Hannover, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for verifying the functionality of an intake particle detection system (100), in particular an intake fire detection system. A test fluid flow (220) within at least one pipe and/or hose line (110, 120) is directed in such a way that the test fluid (210) from the test fluid generator (230) enters the fluid conduction system (110, 120, 130) and exits from the one or more intake openings...