US Patent Issued to Energy & Environmental Research Center Foundation on April 22 for "Recovering gaseous hydrocarbons as fuel on site" (North Dakota Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,267, issued on April 22, was assigned to Energy & Environmental Research Center Foundation (Grand Forks, N.D.).

"Recovering gaseous hydrocarbons as fuel on site" was invented by Darren Schmidt (Williston, N.D.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of recovering gaseous hydrocarbons from tank headspace as fuel on-site includes flowing a hydrocarbon gas composition from headspace of a tank fed by a secondary separator into a compressor to form a compressed mixture. The method includes flowing the compressed mixture into a cooling unit to cool the compressed mixture, to form a cooled composition including liquid hydrocarbons. The metho...