ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,803, issued on July 15, was assigned to GASTECH ENGINEERING LLC (Sapulpa, Okla.).
"Cylindrical burner apparatus and method" was invented by Yul E. Shaffer (Tulsa, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cylindrical burner apparatus and method which produce low noise levels and are not dependent upon a blower, or natural draft, for providing combustion air flow. A flow of combustion air is induced into a rearward end of a burner tube and a swirling flame is produced in the tube by discharging a gas fuel from a plurality of discharge ports located in the tube."
The patent was filed on March 14, 2022, under Application No. 17/694,271.
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