Magnasphere Corporation
At a glance
Employees20-99
In business sinceNot reported
HeadquartersWaukesha, WI
US patents19
SAM.gov UEIHRJ3C7N4HBN4
CAGE code49E26
Incorporated inDE
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
19 US patents granted 2003–2025, 3 of them in the five years to SEP 2025.
Electrical machinery, apparatus, energy 15Control 3
- Slotted enclosure for magnetUS 12,196,580 · granted JAN 14, 2025
- Magnetic proximity sensor, security switch, and method of detecting an actuatorUS 11,990,298 · granted MAY 21, 2024
- Magnetic switchUS 11,069,496 · granted JUL 20, 2021
- Four-contact magnetic switch apparatusUS 10,541,095 · granted JAN 21, 2020
- Magnetic switchUS 9,934,921 · granted APR 3, 2018
Newest 5 shown · Granted to Magnasphere Corporation · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Magnasphere Corporation | Waukesha | WI | 20–99 | 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.