CLEARSIGN COMBUSTION CORPORATION (NASDAQ:CLIR) Files An 8-K Other Events

CLEARSIGN COMBUSTION CORPORATION (NASDAQ:CLIR) Files An 8-K Other Events
Item 8.01

On April 17, 2019, ClearSign Combustion Corporation (the “Company”) received a letter from the Listing Qualifications Staff of the Nasdaq Stock Market LLC (“Nasdaq”) indicating that, based upon the closing bid price of the Company’s common stock for the 30 consecutive business days beginning on March 6, 2019 and ending on April 16, 2019, the Company no longer met the requirement to maintain a minimum bid price of $1 per share, as set forth in Nasdaq Listing Rule 5550(a)(2).

On July 9, 2019, the Company received a letter from Nasdaq confirming that the Company has regained compliance with Listing Rule 5550(a)(2) and that the matter is now closed.


About CLEARSIGN COMBUSTION CORPORATION (NASDAQ:CLIR)

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ClearSign Combustion Corporation is engaged in designing and developing technologies for managing various performance characteristics of combustion systems, such as emission and operational performance, and energy efficiency. The Company’s Duplex and Electrodynamic Combustion Control (ECC) platform technologies are used to manage the performance of combustion systems in a range of markets, including the refinery, petrochemical, chemical, power and commercial boiler industries. The Duplex burner technology typically consists of a traditional industrial burner and a porous ceramic tile. The ECC technology includes various components, such as a computer, standard software delivering algorithms to a power amplifier (resident outside the combustion chamber) and electrodes inside the combustion chamber. The ECC technology introduces a computer-controlled high voltage electric field into a combustion volume in order to control gas-phase chemical reactions.

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