ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,643, issued on April 15, was assigned to PETROLEO BRASILEIRO S.A.-PETROBRAS (Rio de Janeiro, Brazil).
"Automated purge system by gas injection" was invented by Joselito Cabral Vazquez (Rio de Janeiro, Brazil).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention addresses to an automated gas injection system in vials with rubber septa, for simultaneous injection of gas in 24 or more positions, with injection pressure control and/or overpressure detection, applied to mass spectrometry analyses and/or gas chromatography. The present invention can be used, for example, in isotopic analyses of geological materials in equipment with carbonat...