Hermetic Switch INC
Doing business as Hsi Sensing
At a glance
Employees100-499
In business sinceNot reported
HeadquartersChickasha, OK
US patents10
SAM.gov UEIVD7QBBFN76T4
CAGE code9ZEV8
Incorporated inOK
Patents
10 US patents granted 1989–2019, none of them in the five years to SEP 2025, including 1 design patent.
Electrical machinery, apparatus, energy 5Measurement 2Control 1Medical technology 1
- Balanced multi-magnet sensor arrayUS 10,180,314 · granted JAN 15, 2019
- Axial magnetic sensorUS 9,658,083 · granted MAY 23, 2017
- Magnetically guided catheter with sensorUS 6,126,647 · granted OCT 3, 2000
- High voltage reed switchUS 5,909,163 · granted JUN 1, 1999
- Reed switch having trilubular bars for surface mountingUS 5,796,254 · granted AUG 18, 1998
Newest 5 shown · Granted to Hermetic Switch, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Hermetic Switch INC | Chickasha | OK | 100–499 | 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.