ClearSign Receives Order for "M1" Series Burner from Tulsa Heaters Midstream (THM)
Fifth Burner Sold through THM for West Texas
TULSA, OK / ACCESS Newswire / November 10, 2026 / ClearSign Technologies Corporation 
CLIR ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announced that it has received another purchase order for a ClearSign Core™ M1 burner. The order was received from heater manufacturer Tulsa Heaters Midstream, LLC ("THM") and is destined for the Permian Basin in West Texas.
"THM has been an exceptional customer and valued sales partner, and we continue to be encouraged by the growing commercial traction and continued demand for our M-Series midstream burners," said Jim Deller, Ph.D., Chief Executive Officer of ClearSign. "This burner is a repeat of a burner previously sold to THM, which we expect will allow both companies to benefit from engineering work that has already been completed. We expect these repeat orders for burner configurations we have already designed and produced to create greater efficiencies as we scale, including increased leverage of our resources, and we expect these benefits to continue with continued growth in demand. Importantly, this order brings the total number of M-Series burners ordered for the region to eight, further reinforcing the West Texas market as a significant and growing opportunity for ClearSign."
The ClearSign Core™ M1 burner ordered through THM is expected to be installed in a new heater at a gas processing facility of an energy company in West Texas. The Company expects to deliver the burner in the first quarter of 2027.
THM specializes in the midstream gas processing industry and is based in Tulsa, Oklahoma.
About ClearSign Technologies Corporation
ClearSign Technologies Corporation designs and develops products and technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial systems, including operational performance, energy efficiency, emission reduction, safety, the use of hydrogen as a fuel and overall cost-effectiveness. Our patented technologies, embedded in established OEM products as ClearSign Core™ and ClearSign Eye™ and other sensing configurations, enhance the performance of combustion systems and fuel safety systems in a broad range of markets, including the energy (upstream oil production and down-stream refining), commercial/industrial boiler, chemical, petrochemical, transport and power industries. For more information, please visit www.clearsign.com.
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SOURCE: ClearSign Technologies