From the Horizontally Fired Process Burner Product Line Sold By Heater Manufacturer Devco Process Heaters TULSA, Okla., June 26, 2024 /PRNewswire/ -- ClearSign Technologies Corporation (Nasdaq: CLIR) ("ClearSign" or the "Company"), an emerging leader in industrial combustion and sensing technologies that improve energy, operational efficiency and safety while dramatically reducing emissions, announces a burner sale from the horizontally fired process burner product line. "This sale is meaningful for multipl ...