Cowles Operating Company
Doing business as Carlin Combustion Technology
At a glance
Employees100-499
In business since2001
HeadquartersNorth Haven, CT
US patents4
SAM.gov UEIZPGPP1KD4D32
CAGE code1K2S1
Incorporated inCT
- controls
- ignitors
- biofuel burners
- gas burners
- education
- training
- burner quality
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
4 US patents granted 2007–2024, 2 of them in the five years to SEP 2025.
Thermal processes and apparatus 4
- Combustion air proving apparatus with burner cut-off capability and method of performing the sameUS 11,879,640 · granted JAN 23, 2024
- Combustion air proving apparatus with burner cut-off capability and method of performing the sameUS 11,428,407 · granted AUG 30, 2022
- Apparatus and method for reducing ignitor activation time in an oil-fired burnerUS 10,520,191 · granted DEC 31, 2019
- Flame quality and fuel consumption monitoring methods for operating a primary burnerUS 7,229,278 · granted JUN 12, 2007
Granted to Carlin Combustion Technology, Inc, Cowles Operating Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Cowles Operating Company | North Haven | CT | 100–499 | 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.


