Setra Systems, INC.
Doing business as Gems Sensors
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersPlainville, CT
US patents14
SAM.gov UEIEE6AGLN28JD1
CAGE code04034
Incorporated inMA
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
14 US patents granted 2008–2022, 1 of them in the five years to SEP 2025.
Measurement 14
- Visual liquid level indicatorUS 11,435,217 · granted SEP 6, 2022
- Visual liquid level indicatorUS 10,782,176 · granted SEP 22, 2020
- Bidirectional flow switchUS 10,534,012 · granted JAN 14, 2020
- Bidirectional flow switchUS 10,534,011 · granted JAN 14, 2020
- Fluid level detectorUS 10,215,612 · granted FEB 26, 2019
Newest 5 shown · Granted to Gems Sensors Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Setra Systems, INC. | Plainville | CT | — | 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.