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 | 18 |
| 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, Corporate Secretary and Director |
| Brent Hinds CPA | Chief Financial Officer |
| Matthew Martin | Chief Technology Officer |
| Louis Basenese | Vice President of Corporate Communications |
| Stephen Michael Sock | Senior Vice President of Business Development |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Jul 28, 2025 | EFFECT | Notice of Effectiveness |
| Jul 28, 2025 | 8-K | Current Report |
| Jul 18, 2025 | 8-K | Current Report |
| Jul 17, 2025 | S-3 | Registration statement under Securities Act of 1933 |
| Jul 11, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Jul 11, 2025 | 8-K | Current Report |
| Jun 13, 2025 | ARS | Filing |
| Jun 13, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Jun 13, 2025 | DEF 14A | Other definitive proxy statements |
| May 29, 2025 | PREC14A | Filing |