Cooper Power Systems, LLC
Doing business as Cooper Power Systems
At a glance
Employees100-499
In business sinceNot reported
HeadquartersSouth Milwaukee, WI
US patents50
SAM.gov UEIM9CNZZK4NHJ5
CAGE code0USJ5
Incorporated inDE
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
50 US patents granted 1989–1997, none of them in the five years to SEP 2025, including 1 design patent.
Electrical machinery, apparatus, energy 45Measurement 2Materials, metallurgy 2
- Surge arrester with spring clip assemblyUS 5,608,596 · granted MAR 4, 1997
- Method of breaking interlaminar bonds of an amorphous metal coreUS 5,426,846 · granted JUN 27, 1995
- Capacitor hanger and attachment methodUS 5,406,448 · granted APR 11, 1995
- Apparatus for annealing/magnetic annealing amorphous metal in a fluidized bedUS 5,405,122 · granted APR 11, 1995
- Nested contact and cap assembly for fuseholderUS 5,355,111 · granted OCT 11, 1994
Newest 5 shown · Granted to Cooper Power Systems, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
6 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Cooper Power Systems | Greenwood | SC | — | LIKELY ACTIVE |
| Cooper Power Systems -pewaukee - Hickory Street | Pewaukee | WI | — | UNVERIFIED |
| Cooper Power Systems - South Milwaukee | South Milwaukee | WI | 100–499 | ACTIVE |
| Cooper Power Systems LLC | Waukesha | WI | — | LIKELY ACTIVE |
| Cooper Power Systems | Waukesha | WI | — | UNVERIFIED |
| Cooper Power Systems-transformer Product | Waukesha | WI | — | 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.