Company Description
ClearSign Technologies Corporation designs and develops products and technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial systems in the United States, the People’s Republic of China, and Hong Kong.
The company’s technologies include ClearSign core burner technology consists of an industrial burner body and a downstream porous ceramic or metal flame stabilizing structure; ClearSign core process burner technology that provides a direct burner replacement for traditional refinery process heaters; ClearSign core boiler burner technology; ClearSign core flaring burners that can be used individually, or in combination, to provide a flare product with extremely low nitrogen oxide emissions; and ClearSign eye flame sensor, an electrical flame sensor for industrial applications.
It serves energy, institutional, commercial and industrial boiler, chemical, and petrochemical industries.
ClearSign Technologies Corporation was formerly known as ClearSign Combustion Corporation and changed its name to ClearSign Technologies Corporation in November 2019.
The company was incorporated in 2008 and is headquartered in Tulsa, Oklahoma.
| Country | United States |
| Founded | 2008 |
| IPO Date | Apr 25, 2012 |
| Industry | Pollution & Treatment Controls |
| Sector | Industrials |
| Employees | 16 |
| CEO | Colin Deller |
Contact Details
Address: 8023 East 63 Place, Suite 101 Tulsa, Oklahoma 74133 United States | |
| Phone | 918 236 6461 |
| Website | clearsign.com |
Stock Details
| Ticker Symbol | CLIR |
| Exchange | NASDAQ |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001434524 |
| CUSIP Number | 185064102 |
| ISIN Number | US1850641028 |
| SIC Code | 3823 |
Key Executives
| Name | Position |
|---|---|
| Dr. Colin James Deller Ph.D. | Chief Executive Officer and Director |
| Brent Hinds CPA | Chief Financial Officer and Secretary |
| Matthew Martin | Chief Technology Officer |
| Stephen Michael Sock | Senior Vice President of Business Development |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Mar 4, 2026 | 8-K | Current Report |
| Feb 25, 2026 | 8-K | Current Report |
| Feb 2, 2026 | DEF 14A | Other definitive proxy statements |
| Jan 23, 2026 | PRE 14A | Other preliminary proxy statements |
| Jan 7, 2026 | 8-K | Current Report |
| Dec 8, 2025 | 8-K | Current Report |
| Nov 21, 2025 | 8-K | Current Report |
| Nov 17, 2025 | 8-K | Current Report |
| Nov 14, 2025 | 10-Q | Quarterly Report |
| Sep 30, 2025 | 8-K | Current Report |