ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,736, issued on March 11, was assigned to Black Lambo LLC (Roswell, Ga.).

"Compact refractory lined thermal oxidizer" was invented by Benjamin Turner (Roswell, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compact thermal oxidizer is disclosed, comprising a combustion chamber and a series of ducts including a first duct, a second duct, a third duct, and a fourth duct. The combustion chamber is connected to the first duct, which in turn directs fluid flow into the second duct in an antiparallel direction to the combustion chamber. The second duct is linked to the third duct, which guides the fluid flow into the fourth duct, in aa direction ant...