ClearSign Technologies Corp. engages in the designing and development of technologies for the combustion systems. The company is headquartered in Tulsa, Oklahoma and currently employs 15 full-time employees. The company went IPO on 2012-04-25. The Company’s patented technologies are designed to be embedded in established original equipment manufacturers (OEM) products as ClearSign Core and ClearSign Eye and other sensing configurations in order to enhance the performance of combustion systems and fuel safety systems in a broad range of markets. These markets include energy (upstream oil production and down-stream refining), commercial/industrial boiler, chemical, petrochemical, transport and power industries. The Company’s products include process burners, midstream and power, boiler burners, and flares.