Ontos Equipment Systems INC
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersChester, NH
US patents6
SAM.gov UEIHZXQWHXQ8FD1
CAGE code9ANH7
Incorporated inNH
- atmospheric plasma systems
- surface preparation
- patented equipment
- 25mm
- 100mm wide
- handles
- chips
- aqueous wetting
- CE certified
- U.S.A
Named on the company’s own website, read JUL 30, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
6 US patents granted 2013–2023, 2 of them in the five years to SEP 2025.
Semiconductors 4Electrical machinery, apparatus, energy 2
- System and method for plasma head helium measurementUS 11,651,942 · granted MAY 16, 2023
- Simultaneous hydrophilization of photoresist and metal surface preparation: methods, systems, and productsUS 10,985,024 · granted APR 20, 2021
- System and method for plasma head thermal controlUS 10,672,594 · granted JUN 2, 2020
- Simultaneous hydrophilization of photoresist and metal surface preparation: methods, systems, and productsUS 10,438,804 · granted OCT 8, 2019
- Epitaxial growth using atmospheric plasma preparation stepsUS 9,909,232 · granted MAR 6, 2018
Newest 5 shown · Granted to Ontos Equipment Systems, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Ontos Equipment Systems INC | Chester | NH | — | 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.


