ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,031, issued on Sept. 8, was assigned to INFICON GmbH (Cologne, Germany).
"Leak detectors" was invented by Silvio Decker (Cologne, Germany), Simon Mathioudakis (Cologne, Germany) and Randolf Paul Rolff (Cologne, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A leak detection device for combined integral and localizing leak detection, comprising a test specimen port (14), a test specimen high vacuum pump (16), the inlet of which is connected with the test specimen port (14), at least one pre-vacuum pump (20), the inlet of which is connected via a test specimen line (18) with the outlet (19) of the test specimen high vacuum pump (16), and a gas...