ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,643, issued on Sept. 15, was assigned to American Bio-Energy Converting Corp. (Albany, Ga.).

"Toroidal pyrolysis chamber arrangement and related systems and methods" was invented by Johnny Marion Tharpe Jr. (Albany, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pyrolysis chamber arrangement includes a pyrolysis chamber, a solid feed system and inner and outer heating elements. The pyrolysis chamber defines a toroidal passage extending along a chamber axis between inlet and outlet ends. The solid feed system includes an auger and ram assembly operable to supply particulate feedstock to the toroidal passage at the inlet end. The inner and oute...