US Patent Issued to Plastic Omnium New Energies France on May 27 for "Method for leak monitoring a high-pressure vessel" (Belgian Inventor)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,501, issued on May 27, was assigned to Plastic Omnium New Energies France (Lyons, France).

"Method for leak monitoring a high-pressure vessel" was invented by Emmanuel Coussy (Brussels).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for leak monitoring a high-pressure vessel includes the following steps: (a) pumping and compressing a liquefied gas via a pump from a source of liquefied gas so as to obtain a pressure of 500 to 1000 bar, (b) vaporizing the liquefied gas, (c) compressing a tracer gas to a pressure of 500 to 1000 bar, (d) mixing the vaporized liquefied gas obtained in step (b) with the compressed tracer gas obtained in step (c) i...