US Patent Issued to EnFlex on July 22 for "Advanced method of heavy hydrocarbon removal and natural gas liquefaction using closed-loop refrigeration system" (Texas Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,407, issued on July 22, was assigned to EnFlex Inc. (Houston).

"Advanced method of heavy hydrocarbon removal and natural gas liquefaction using closed-loop refrigeration system" was invented by James Zhao (Houston) and Shukui Zhao (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A natural gas liquefaction system and method for effectively and efficiently removing heavy hydrocarbons and converting natural gas into liquefied natural gas. Natural gas streams entering the system may consist of varied gas compositions, pressures, and temperatures. In embodiments the system may comprise a natural gas (NG)-to-liquefied natural gas (LNG) portion ...