Clearsign Technologies Corporation
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersTulsa, OK
US patents28
SAM.gov UEINCA3DL9KNRJ8
CAGE code5DV49
Incorporated inDE
- process burners
- boiler burners
- flares
- flame sensor
- heaters
- boilers
- flaring
- refining
- petrochemical
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit Organization
Self-certified by the company in its SAM.gov registration
Patents
28 US patents granted 2020–2025, 22 of them in the five years to SEP 2025.
Thermal processes and apparatus 26Measurement 2
- Burner system with discrete transverse flame stabilizersUS 12,359,804 · granted JUL 15, 2025
- Prefabricated integrated combustion assemblies and methods of installing the same into a combustion systemUS 12,247,733 · granted MAR 11, 2025
- Burner system including a plurality of perforated flame holdersUS 12,066,248 · granted AUG 20, 2024
- Burner including an electrical permittivity or electrical capacitance flame sensorUS 12,050,151 · granted JUL 30, 2024
- Variable composition gas mixture sensorUS 12,007,301 · granted JUN 11, 2024
Newest 5 shown · Granted to ClearSign Technologies Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Clearsign Technologies Corporation | Tulsa | OK | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.