ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,009, issued on May 6, was assigned to Gas Technologies LLC (Walloon Lake, Mich.).

"High oxygen operation of internal combustion engines" was invented by Walter Breidenstein (Boyne Falls, Mich.), Ryan Anthony Garf (Grosse Ile, Mich.), Craig Alan Karavas (Trenton, Mich.) and Robin Parsons (Georgetown, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating an internal combustion engine includes a step of providing an oxygen-containing gas having greater than 22 volume percent oxygen and combining the oxygen-containing gas with a fuel to form a combustible mixture. The combustible mixture is provided to an internal combustion engine...