Sunnen Products CO
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersSaint Louis, MO
US patents61
SAM.gov UEIUBNJP1LCVLL3
CAGE code58436
Incorporated inDE
LEIL4PO3I386BCHB7KM0B14
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
61 US patents granted 1977–2020, none of them in the five years to SEP 2025, including 1 design patent.
Machine tools 50Measurement 8Control 2
- Elastic biasing element and encoder arrangement for precise control of force or torqueUS 10,695,888 · granted JUN 30, 2020
- Automated bore finishing processUS 9,987,696 · granted JUN 5, 2018
- Bore finishing toolUS 9,789,581 · granted OCT 17, 2017
- Honing tool holder with integral in-process feed systemUS 9,573,240 · granted FEB 21, 2017
- Honing tool holder with a feed system powered by through-the-spindle coolant pressure and actuated by spindle rotationUS 9,427,840 · granted AUG 30, 2016
Newest 5 shown · Granted to Sunnen Products Company · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
2 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Sunnen Products Company Maplewood | Maplewood | MO | — | UNVERIFIED |
| Sunnen Products CO | Saint Louis | MO | — | 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.