Whelen Engineering Company, INC.
Doing business as Whelen Engineering CO INC
At a glance
Employees500+
In business sinceNot reported
HeadquartersChester, CT
US patents192
SAM.gov UEIK93HX96LHLE5
CAGE code10402
Incorporated inCT
LEI549300N2VWA3Z0X5DF49
- lightbars
- light arrays
- beacons
- warning systems
- Dynamic Variable Intensity
- Vehicle-to-Vehicle Sync technologies
- first responders
- aviation
- motorsports
- mass notification
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
192 US patents granted 1980–2025, 30 of them in the five years to SEP 2025, including 64 design patents.
Electrical machinery, apparatus, energy 61Control 25Transport 25Digital communication 7Other consumer goods 3
- Vehicle lighting system using light channelsUS 12,372,218 · granted JUL 29, 2025
- Systems and methods for remote management of emergency equipment and personnelUS 12,356,304 · granted JUL 8, 2025
- System and method for controlling multiple serial control devices in an emergency vehicleUS 12,273,216 · granted APR 8, 2025
- Volume scaling and synchronization of tonesUS 12,224,726 · granted FEB 11, 2025
- Augmented reality traffic advisor system and methodUS 12,182,948 · granted DEC 31, 2024
Newest 5 shown · Granted to Whelen Engineering Company, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
2 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Whelen Engineering Company, INC. | Chester | CT | 500+ | ACTIVE |
| Whelen Engineering Company, Inc. - New Hampshire | Charlestown | NH | 500+ | LIKELY 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.