ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,337, issued on May 27, was assigned to Fluor Technologies Corp. (Irving, Texas).
"Systems and methods for LNG refrigeration and liquefaction" was invented by John Mak (Santa Ana, Calif.) and Jacob Thomas (Sugar Land, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A LNG liquefaction plant system includes concurrent power production, wherein the refrigeration content of the refrigerant or SMR is used to liquefy and sub-cool a natural gas stream in a cold box or cryogenic exchanger. For concurrent power production, the system uses waste heat from refrigerant compression to vaporize and superheat a waste heat working fluid that in turn drives a co...